US20110123694A1 - Table with ethylene scrubber - Google Patents

Table with ethylene scrubber Download PDF

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Publication number
US20110123694A1
US20110123694A1 US12/625,088 US62508809A US2011123694A1 US 20110123694 A1 US20110123694 A1 US 20110123694A1 US 62508809 A US62508809 A US 62508809A US 2011123694 A1 US2011123694 A1 US 2011123694A1
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United States
Prior art keywords
enclosure
ethylene
gas
table top
blower
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Abandoned
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US12/625,088
Inventor
Antonin Ryska
Marketa Kopecka
Lubos Forejt
John M. Roche
Daniel Zmola
Michal Kolda
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Hussmann Corp
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Hussmann Corp
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Publication date
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Priority to US12/625,088 priority Critical patent/US20110123694A1/en
Assigned to HUSSMANN CORPORATION reassignment HUSSMANN CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FOREJT, LUBOS, KOLDA, MICHAL, KOPECKA, MARKETA, RYSKA, ANTONIN, ZMOLA, DANIEL, ROCHE, JOHN M.
Publication of US20110123694A1 publication Critical patent/US20110123694A1/en
Assigned to GENERAL ELECTRIC CAPITAL CORPORATION, AS ADMINISTRATIVE AGENT reassignment GENERAL ELECTRIC CAPITAL CORPORATION, AS ADMINISTRATIVE AGENT NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS Assignors: HUSSMANN CORPORATION
Priority to US13/493,537 priority patent/US8652401B2/en
Priority to US13/936,658 priority patent/US8828315B2/en
Assigned to HUSSMANN CORPORATION reassignment HUSSMANN CORPORATION RELEASE OF SECURITY INTEREST IN PATENTS RECORDED AT REEL 027091, FRAME 0111 AND REEL 029568, FRAME 0286 Assignors: GENERAL ELECTRIC COMPANY (AS SUCCESSOR IN INTEREST BY MERGER TO GENERAL ELECTRIC CAPITAL CORPORATION), AS ADMINISTRATIVE AGENT
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23B7/152—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O ; Elimination of such other gases
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/015—Preserving by irradiation or electric treatment without heating effect
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/26—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating
    • A23L3/28—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating with ultraviolet light

Definitions

  • the present invention relates to display tables for produce, such as fruits and vegetables.
  • Display tables typically include a table top for supporting produce.
  • the invention provides a display table for supporting produce.
  • the display table includes an enclosure, a table top defining an upper surface of the enclosure, a blower, an ethylene scrubber and an outlet.
  • the table top is open to the atmosphere and configured to support the produce, and includes perforations.
  • the blower is positioned in communication with the enclosure to create an underpressure that draws a gas into the enclosure through the perforations.
  • the ethylene scrubber is positioned in communication with the enclosure and in a flow path of the gas, the ethylene scrubber being configured to remove at least a portion of ethylene from at least a portion of the gas.
  • the outlet is located downstream of the ethylene scrubber for returning the gas from the enclosure to the atmosphere.
  • the invention provides a method of preserving produce.
  • the method includes supporting the produce on a perforated table top open to the atmosphere, drawing a gas into an enclosure through perforations in the perforated table top, removing at least a portion of ethylene from at least a portion of the gas, and directing the gas from the enclosure to the atmosphere after at least a portion of the ethylene has been removed from at least a portion of the gas.
  • the invention provides a display table for supporting produce.
  • the display table includes an enclosure, a table top defining an upper surface of the enclosure, a blower, an ultraviolet lamp, a surface irradiated by the ultraviolet lamp, and an outlet.
  • the table top is open to the atmosphere and configured to support the produce, and includes perforations.
  • the blower is positioned in communication with the enclosure to create an underpressure that draws a gas into the enclosure through the perforations.
  • the ultraviolet lamp is positioned in communication with the enclosure and in a flow path of the gas.
  • the surface irradiated by the ultraviolet lamp has a photocatalyst suitable to provide photocatalytic oxidation of ethylene.
  • the outlet is positioned downstream of the ethylene scrubber for returning the gas from the enclosure to the atmosphere.
  • the ultraviolet lamp and photocatalyst remove at least a portion of ethylene from at least a portion of the gas.
  • the table top includes at least two layers of perforations that are staggered with respect to each other and configured to prevent at least some light from the ultraviolet lamp from directly exiting through the table top.
  • FIG. 1 is a schematic view of a display table for supporting produce according to the present invention.
  • FIG. 2 is a schematic view of another construction of the display table of FIG. 1 .
  • FIG. 1 illustrates a display table 10 for produce, such as fruits and vegetables.
  • the display table 10 includes an enclosure 14 , a table top 18 defining an upper surface of the enclosure, a blower 22 , an ethylene scrubber 26 , and an outlet 30 .
  • the display table 10 is designed to remove ethylene gas from the vicinity of the produce supported on the display table to extend the life of the produce.
  • Ethylene is a hormone produced by fruits and vegetables that accelerates ripening. Removal of ethylene slows the ripening process and extends the life of produce.
  • ethylene gas is drawn into the enclosure 14 , removed by the ethylene scrubber 26 , and clean air is expelled through the outlet 30 .
  • the table top 18 is open to the atmosphere and configured to support the produce, and includes perforations 34 .
  • the table top 18 includes first and second perforated sheets 38 , 42 having staggered, or offset, perforations 34 .
  • the perforations 34 are provided to allow a flow of gas through the table top 18 , as will be described in greater detail below.
  • the table top 18 may have one, three or more perforated sheets that allow gas to flow through the table top 18 .
  • the ethylene scrubber 26 includes an ultraviolet lamp 44 and a surface 48 irradiated by the ultraviolet lamp having a photocatalyst.
  • the ultraviolet lamp 44 is positioned in communication with the enclosure 14 and in a flow path of the gas.
  • the ultraviolet lamp 44 and surface having a photocatalyst 48 cooperate in photocatalytic oxidation, a process that removes air pollutants, such as ethylene, on an ultraviolet irradiated surface having a suitable photocatalyst, such as titanium dioxide (TiO 2 ).
  • the ultraviolet lamp 44 and photocatalyst 48 remove at least a portion of ethylene from at least a portion of the gas.
  • the table top 18 includes at least two layers of perforations 34 that are staggered with respect to each other.
  • the two perforated sheets 38 , 42 are arranged such that at least a portion of light from the ultraviolet lamp 44 that passes through the first perforated sheet 38 is blocked by a non-perforated portion of the second perforated sheet 42 .
  • the first and second perforated sheets 38 , 42 are arranged such that no light from the ultraviolet lamp 44 can directly escape through the table top 18 .
  • two blowers 22 are positioned within the enclosure 14 adjacent two outlets 30 .
  • the outlets 30 are positioned in the sides of the enclosure 14 downstream of the ethylene scrubber 26 , and the blowers 22 are positioned for returning the gas from the enclosure 14 to the atmosphere.
  • the outlets 30 may be positioned in another suitable location on the enclosure 14 .
  • the display table 10 preserves and extends the life of produce.
  • the table top 18 is open to the atmosphere and supports produce that produces ethylene gas.
  • One or more of the blowers 22 work to create an underpressure to draw gas from the atmosphere into the enclosure 14 through the perforations 34 in the table top 18 .
  • the ethylene scrubber 26 removes at least a portion of ethylene from the gas, producing a clean gas, and the clean gas is expelled to the atmosphere through one or more of the outlets 30 .
  • the ethylene scrubber 26 may include potassium permanganate (KMnO 4 ), an effective oxidizer of ethylene.
  • Major intermediates of the oxidation of ethylene are ethylene oxide (C 2 H 4 O), acetaldehyde (CH 3 CHO), vinyl acetate (C 4 H 6 O 2 ), and ethylene glycol (C 2 H 4 (OH) 2 ).
  • the ethylene scrubber 26 may include a reactive oxygen species (ROS) generator.
  • the ROS generator produces one or more of oxygen ions, free radicals, organic and inorganic peroxides, ozone, and other reactive oxygen species. These reactive oxygen species oxidize air pollutants, such as ethylene, to effectively remove them from the air.
  • the ROS generator is positioned within the enclosure 14 , similar to the other ethylene scrubbers 26 described above, to remove ethylene after it is drawn in through the perforations 34 .
  • FIG. 2 illustrates another construction of the display table 10 having an ROS generator 52 positioned outside of the enclosure 14 and directing reactive oxygen species to the vicinity of the produce supported by the table top 18 .
  • the ROS generator 52 is provided in addition to the ethylene scrubber 26 , which is positioned within the enclosure 14 as described above.
  • the ROS generator 52 supplements the ethylene scrubber 26 by providing reactive oxygen species to neutralize ethylene above the table top 18 .
  • the ROS generator 52 is positioned in fluid communication with the interior of the enclosure 14 , or within the enclosure 14 .
  • the blower 22 is positioned in communication with the enclosure 14 to draw a gas from the atmosphere into the enclosure 14 through the bottom or sides of the enclosure 14 , e.g., through the outlets 30 .
  • the blower 22 directs ROS and clean air out through the perforations 34 in the table top 18 to the vicinity of the produce to neutralize ethylene.
  • the ethylene scrubber may include any combination of one or more of a ROS generator, an ultraviolet lamp with photocatalyst, potassium permanganate, and other ethylene scrubbers.
  • the invention provides, among other things, a display table with ethylene scrubber for preserving the life of produce.

Abstract

A display table for supporting produce includes an enclosure, a table top defining an upper surface of the enclosure, a blower, an ethylene scrubber and an outlet. The table top is open to the atmosphere and configured to support the produce, and includes perforations. The blower is positioned in communication with the enclosure to create an underpressure that draws a gas into the enclosure through the perforations. The ethylene scrubber is positioned in communication with the enclosure and in a flow path of the gas, the ethylene scrubber being configured to remove at least a portion of ethylene from at least a portion of the gas. The outlet is located downstream of the ethylene scrubber for returning the gas from the enclosure to the atmosphere.

Description

    BACKGROUND
  • The present invention relates to display tables for produce, such as fruits and vegetables. Display tables typically include a table top for supporting produce.
    • SUMMARY
  • In one construction, the invention provides a display table for supporting produce. The display table includes an enclosure, a table top defining an upper surface of the enclosure, a blower, an ethylene scrubber and an outlet. The table top is open to the atmosphere and configured to support the produce, and includes perforations. The blower is positioned in communication with the enclosure to create an underpressure that draws a gas into the enclosure through the perforations. The ethylene scrubber is positioned in communication with the enclosure and in a flow path of the gas, the ethylene scrubber being configured to remove at least a portion of ethylene from at least a portion of the gas. The outlet is located downstream of the ethylene scrubber for returning the gas from the enclosure to the atmosphere.
  • In another construction, the invention provides a method of preserving produce. The method includes supporting the produce on a perforated table top open to the atmosphere, drawing a gas into an enclosure through perforations in the perforated table top, removing at least a portion of ethylene from at least a portion of the gas, and directing the gas from the enclosure to the atmosphere after at least a portion of the ethylene has been removed from at least a portion of the gas.
  • In yet another construction, the invention provides a display table for supporting produce. The display table includes an enclosure, a table top defining an upper surface of the enclosure, a blower, an ultraviolet lamp, a surface irradiated by the ultraviolet lamp, and an outlet. The table top is open to the atmosphere and configured to support the produce, and includes perforations. The blower is positioned in communication with the enclosure to create an underpressure that draws a gas into the enclosure through the perforations. The ultraviolet lamp is positioned in communication with the enclosure and in a flow path of the gas. The surface irradiated by the ultraviolet lamp has a photocatalyst suitable to provide photocatalytic oxidation of ethylene. The outlet is positioned downstream of the ethylene scrubber for returning the gas from the enclosure to the atmosphere. The ultraviolet lamp and photocatalyst remove at least a portion of ethylene from at least a portion of the gas. The table top includes at least two layers of perforations that are staggered with respect to each other and configured to prevent at least some light from the ultraviolet lamp from directly exiting through the table top.
  • Other aspects of the invention will become apparent by consideration of the detailed description and accompanying drawings.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a schematic view of a display table for supporting produce according to the present invention.
  • FIG. 2 is a schematic view of another construction of the display table of FIG. 1.
    •  DETAILED DESCRIPTION
  • Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways.
  • FIG. 1 illustrates a display table 10 for produce, such as fruits and vegetables. The display table 10 includes an enclosure 14, a table top 18 defining an upper surface of the enclosure, a blower 22, an ethylene scrubber 26, and an outlet 30. The display table 10 is designed to remove ethylene gas from the vicinity of the produce supported on the display table to extend the life of the produce. Ethylene is a hormone produced by fruits and vegetables that accelerates ripening. Removal of ethylene slows the ripening process and extends the life of produce. As will be described in greater detail below, ethylene gas is drawn into the enclosure 14, removed by the ethylene scrubber 26, and clean air is expelled through the outlet 30.
  • The table top 18 is open to the atmosphere and configured to support the produce, and includes perforations 34. In the illustrated construction, the table top 18 includes first and second perforated sheets 38, 42 having staggered, or offset, perforations 34. The perforations 34 are provided to allow a flow of gas through the table top 18, as will be described in greater detail below. In other constructions, the table top 18 may have one, three or more perforated sheets that allow gas to flow through the table top 18.
  • In the illustrated construction, the ethylene scrubber 26 includes an ultraviolet lamp 44 and a surface 48 irradiated by the ultraviolet lamp having a photocatalyst. The ultraviolet lamp 44 is positioned in communication with the enclosure 14 and in a flow path of the gas. The ultraviolet lamp 44 and surface having a photocatalyst 48 cooperate in photocatalytic oxidation, a process that removes air pollutants, such as ethylene, on an ultraviolet irradiated surface having a suitable photocatalyst, such as titanium dioxide (TiO2). The ultraviolet lamp 44 and photocatalyst 48 remove at least a portion of ethylene from at least a portion of the gas. As described above, the table top 18 includes at least two layers of perforations 34 that are staggered with respect to each other. The two perforated sheets 38, 42 are arranged such that at least a portion of light from the ultraviolet lamp 44 that passes through the first perforated sheet 38 is blocked by a non-perforated portion of the second perforated sheet 42. Preferably, the first and second perforated sheets 38, 42 are arranged such that no light from the ultraviolet lamp 44 can directly escape through the table top 18.
  • In the illustrated construction, two blowers 22 are positioned within the enclosure 14 adjacent two outlets 30. The outlets 30 are positioned in the sides of the enclosure 14 downstream of the ethylene scrubber 26, and the blowers 22 are positioned for returning the gas from the enclosure 14 to the atmosphere. In other constructions, the outlets 30 may be positioned in another suitable location on the enclosure 14.
  • In operation, the display table 10 preserves and extends the life of produce. The table top 18 is open to the atmosphere and supports produce that produces ethylene gas. One or more of the blowers 22 work to create an underpressure to draw gas from the atmosphere into the enclosure 14 through the perforations 34 in the table top 18. The ethylene scrubber 26 removes at least a portion of ethylene from the gas, producing a clean gas, and the clean gas is expelled to the atmosphere through one or more of the outlets 30.
  • In other constructions, the ethylene scrubber 26 may include potassium permanganate (KMnO4), an effective oxidizer of ethylene. Major intermediates of the oxidation of ethylene are ethylene oxide (C2H4O), acetaldehyde (CH3CHO), vinyl acetate (C4H6O2), and ethylene glycol (C2H4(OH)2).
  • In yet other constructions, the ethylene scrubber 26 may include a reactive oxygen species (ROS) generator. The ROS generator produces one or more of oxygen ions, free radicals, organic and inorganic peroxides, ozone, and other reactive oxygen species. These reactive oxygen species oxidize air pollutants, such as ethylene, to effectively remove them from the air. In one construction, the ROS generator is positioned within the enclosure 14, similar to the other ethylene scrubbers 26 described above, to remove ethylene after it is drawn in through the perforations 34.
  • FIG. 2 illustrates another construction of the display table 10 having an ROS generator 52 positioned outside of the enclosure 14 and directing reactive oxygen species to the vicinity of the produce supported by the table top 18. In the illustrated construction of FIG. 2, the ROS generator 52 is provided in addition to the ethylene scrubber 26, which is positioned within the enclosure 14 as described above. The ROS generator 52 supplements the ethylene scrubber 26 by providing reactive oxygen species to neutralize ethylene above the table top 18.
  • In other constructions, the ROS generator 52 is positioned in fluid communication with the interior of the enclosure 14, or within the enclosure 14. The blower 22 is positioned in communication with the enclosure 14 to draw a gas from the atmosphere into the enclosure 14 through the bottom or sides of the enclosure 14, e.g., through the outlets 30. The blower 22 directs ROS and clean air out through the perforations 34 in the table top 18 to the vicinity of the produce to neutralize ethylene.
  • In yet other constructions, the ethylene scrubber may include any combination of one or more of a ROS generator, an ultraviolet lamp with photocatalyst, potassium permanganate, and other ethylene scrubbers.
  • Thus, the invention provides, among other things, a display table with ethylene scrubber for preserving the life of produce. Various features and advantages of the invention are set forth in the following claims.

Claims (18)

1. A display table for supporting produce, comprising:
an enclosure;
a table top open to the atmosphere and configured to support the produce, the table top defining an upper surface of the enclosure and including perforations;
a blower positioned in communication with the enclosure to create an underpressure that draws a gas into the enclosure through the perforations;
an ethylene scrubber positioned in communication with the enclosure and in a flow path of the gas, the ethylene scrubber configured to remove at least a portion of ethylene from at least a portion of the gas; and
an outlet downstream of the ethylene scrubber for returning the gas from the enclosure to the atmosphere.
2. The display table of claim 1, wherein the ethylene scrubber includes a reactive oxygen species generator.
3. The display table of claim 1, wherein the ethylene scrubber includes an ultraviolet lamp configured to irradiate a surface including a photocatalyst suitable to provide photocatalytic oxidation of ethylene.
4. The display table of claim 3, wherein the photocatalyst includes titanium dioxide.
5. The display table of claim 3, wherein the table top prevents at least some light from the ultraviolet lamp from exiting through the perforations.
6. The display table of claim 5, wherein the table top includes at least two layers of perforations offset from one another.
7. The display table of claim 1, wherein the ethylene scrubber includes potassium permanganate.
8. The display table of claim 1, wherein the blower is positioned within the enclosure below the perforated table top.
9. The display table of claim 8, wherein the blower is positioned below the ethylene scrubber, and wherein the blower is positioned proximate the outlet.
10. A method of preserving produce, comprising:
supporting the produce on a perforated table top open to the atmosphere;
drawing a gas into an enclosure through perforations in the perforated table top;
removing at least a portion of ethylene from at least a portion of the gas; and
directing the gas from the enclosure to the atmosphere after at least a portion of the ethylene has been removed from at least a portion of the gas.
11. The method of claim 10, wherein the step of removing at least a portion of ethylene includes positioning a reactive oxygen species generator within the enclosure.
12. The method of claim 10, wherein the step of removing at least a portion of ethylene includes:
positioning an ultraviolet lamp within the enclosure, and
irradiating a surface covered by a suitable photocatalyst within the enclosure.
13. The method of claim 12, wherein the step of removing at least a portion of ethylene further includes preventing light from the ultraviolet lamp from directly exiting the perforated table top.
14. The method of claim 10, wherein the step of removing at least a portion of ethylene includes oxidizing at least a portion of ethylene using potassium permanganate.
15. The method of claim 10, wherein drawing a gas into the enclosure includes positioning a blower in communication with the enclosure.
16. The method of claim 15, wherein positioning a blower includes positioning the blower below the perforated table top.
17. The method of claim 10, wherein directing the gas to exit the enclosure includes positioning a blower proximate an outlet of the enclosure.
18. A display table for supporting produce, comprising:
an enclosure;
a table top open to the atmosphere and configured to support the produce, the table top defining an upper surface of the enclosure and including perforations;
a blower positioned in communication with the enclosure to create an underpressure that draws a gas into the enclosure through the perforations;
an ultraviolet lamp positioned in communication with the enclosure and in a flow path of the gas;
a surface irradiated by the ultraviolet lamp, the surface having a photocatalyst suitable to provide photocatalytic oxidation of ethylene; and
an outlet downstream of the ethylene scrubber for returning the gas from the enclosure to the atmosphere;
wherein the ultraviolet lamp and photocatalyst remove at least a portion of ethylene from at least a portion of the gas; and
wherein the table top includes at least two layers of perforations that are staggered with respect to each other and configured to prevent at least some light from the ultraviolet lamp from directly exiting through the table top.
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US13/493,537 US8652401B2 (en) 2009-11-24 2012-06-11 Table with ethylene scrubber
US13/936,658 US8828315B2 (en) 2009-11-24 2013-07-08 Table with ethylene scrubber

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US10201809B2 (en) 2013-07-05 2019-02-12 Nitto Denko Corporation Photocatalyst sheet
US10391482B2 (en) 2013-07-05 2019-08-27 Nitto Denko Corporation Transparent photocatalyst coating and methods of manufacturing the same
US10549268B2 (en) 2013-07-05 2020-02-04 Nitto Denko Corporation Filter element for decomposing contaminants, system for decomposing contaminants and method using the system
US20200352183A1 (en) * 2017-11-15 2020-11-12 Xeda International S.A. Process and assembly for the treatment of the atmosphere of a storage of plant products with high relative humidity

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US9878061B2 (en) * 2012-08-28 2018-01-30 Sensor Electronic Technology, Inc. Ultraviolet system for disinfection
US9919068B2 (en) 2012-08-28 2018-03-20 Sensor Electronic Technology, Inc. Storage device including ultraviolet illumination
US9750830B2 (en) 2012-08-28 2017-09-05 Sensor Electronic Technology, Inc. Multi wave sterilization system
US9724441B2 (en) 2012-08-28 2017-08-08 Sensor Electronic Technology, Inc. Storage device including target UV illumination ranges
US9034271B2 (en) 2012-08-28 2015-05-19 Sensor Electronics Technology, Inc. Storage device including ultraviolet illumination
US10383964B2 (en) 2012-08-28 2019-08-20 Sensor Electronic Technology, Inc. Storage device including ultraviolet illumination
US10646603B2 (en) 2012-08-28 2020-05-12 Sensor Electronic Technology, Inc. Multi wave sterilization system
US10441670B2 (en) 2012-08-28 2019-10-15 Sensor Electronic Technology, Inc. Storage device including ultraviolet illumination
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CN104326170B (en) * 2014-08-29 2016-08-24 成都大学 A kind of photocatalysis controlled atmospheric packing technology
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