CA2116658A1 - Surfactants Used as Contact Lens Processing Aids - Google Patents

Surfactants Used as Contact Lens Processing Aids

Info

Publication number
CA2116658A1
CA2116658A1 CA 2116658 CA2116658A CA2116658A1 CA 2116658 A1 CA2116658 A1 CA 2116658A1 CA 2116658 CA2116658 CA 2116658 CA 2116658 A CA2116658 A CA 2116658A CA 2116658 A1 CA2116658 A1 CA 2116658A1
Authority
CA
Canada
Prior art keywords
contact lens
processing aids
surfactants used
lens processing
surfactants
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2116658
Other languages
French (fr)
Other versions
CA2116658C (en
Inventor
Robert J. Druskis
Dennis Hahn
Rose Ann Milne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bausch and Lomb Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2116658A1 publication Critical patent/CA2116658A1/en
Application granted granted Critical
Publication of CA2116658C publication Critical patent/CA2116658C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/00038Production of contact lenses
    • B29D11/00125Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • B29D11/00192Demoulding, e.g. separating lenses from mould halves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/56Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/60Releasing, lubricating or separating agents
    • B29C33/62Releasing, lubricating or separating agents based on polymers or oligomers

Abstract

An improved method for manufacturing hydrophilic polymeric devices wherein surfactants are added to the hydration bath to assist in the mold release and processing of hydrophilic polymeric devices, especially hydrophilic contact lenses.
CA002116658A 1991-09-05 1992-09-01 Surfactants used as contact lens processing aids Expired - Fee Related CA2116658C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US755,201 1991-09-05
US07/755,201 US5264161A (en) 1991-09-05 1991-09-05 Method of using surfactants as contact lens processing aids

Publications (2)

Publication Number Publication Date
CA2116658A1 true CA2116658A1 (en) 1993-03-18
CA2116658C CA2116658C (en) 1997-01-21

Family

ID=25038142

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002116658A Expired - Fee Related CA2116658C (en) 1991-09-05 1992-09-01 Surfactants used as contact lens processing aids

Country Status (6)

Country Link
US (1) US5264161A (en)
EP (1) EP0605510B1 (en)
CA (1) CA2116658C (en)
DE (1) DE69210616T2 (en)
ES (1) ES2089563T3 (en)
WO (1) WO1993004834A1 (en)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
KR100346485B1 (en) * 1994-01-31 2002-11-30 바슈 앤드 롬 인코포레이티드 Treatment Method of Contact Lens Using Supercritical Fluid
US5837314A (en) * 1994-06-10 1998-11-17 Johnson & Johnson Vision Products, Inc. Method and apparatus for applying a surfactant to mold surfaces
IL113950A0 (en) * 1994-06-10 1995-08-31 Johnson & Johnson Vision Prod A method of positioning ophthalimic lenses
US5814134A (en) * 1994-06-10 1998-09-29 Johnson & Johnson Vision Products, Inc. Apparatus and method for degassing deionized water for inspection and packaging
US5578331A (en) * 1994-06-10 1996-11-26 Vision Products, Inc. Automated apparatus for preparing contact lenses for inspection and packaging
US5542978A (en) * 1994-06-10 1996-08-06 Johnson & Johnson Vision Products, Inc. Apparatus for applying a surfactant to mold surfaces
US7468398B2 (en) 1994-09-06 2008-12-23 Ciba Vision Corporation Extended wear ophthalmic lens
US5760100B1 (en) 1994-09-06 2000-11-14 Ciba Vision Corp Extended wear ophthalmic lens
US5849222A (en) * 1995-09-29 1998-12-15 Johnson & Johnson Vision Products, Inc. Method for reducing lens hole defects in production of contact lens blanks
US5674557A (en) * 1995-09-29 1997-10-07 Johnson & Johnson Vision Products, Inc. Method for transiently wetting lens molds in production of contact lens blanks to reduce lens hole defects
BR9712750A (en) * 1996-11-06 1999-10-19 Bausch & Lomb Method and equipment for separating contact lens mold sections
US6143210A (en) * 1998-08-27 2000-11-07 Wrue; Richard J. Automated cast mold hydrating device
US6068798A (en) * 1998-09-03 2000-05-30 Bausch & Lomb Incorporated Lens hydration apparatus and method
US6207086B1 (en) 1999-02-18 2001-03-27 Johnson & Johnson Vision Care, Inc. Method and apparatus for washing or hydration of ophthalmic devices
US6869549B2 (en) * 1999-05-05 2005-03-22 Johnson & Johnson Vision Care, Inc. Method and mold for making ophthalmic devices
USD458023S1 (en) 1999-10-13 2002-06-04 Johnson & Johnson Vision Care, Inc. Contact lens container
US6368522B1 (en) 2000-01-03 2002-04-09 Johnson & Johnson Vision Care, Inc. Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
US6558584B1 (en) 2000-03-31 2003-05-06 Bausch & Lomb Incorporated Apparatus and method for handling an ophthalmic lens
US7001138B2 (en) * 2002-03-01 2006-02-21 Johnson & Johnson Vision Care, Inc. Split collar for mechanical arm connection
JP4708023B2 (en) * 2002-08-16 2011-06-22 ジョンソン・アンド・ジョンソン・ビジョン・ケア・インコーポレイテッド Mold for contact lens manufacturing
US20040119176A1 (en) * 2002-12-23 2004-06-24 Bausch & Lomb Incorporated Method for manufacturing lenses
EP2283877B1 (en) * 2002-12-23 2015-06-17 Johnson and Johnson Vision Care, Inc. Contact lens packages containing additives
US20050062179A1 (en) * 2003-09-22 2005-03-24 Sanjay Rastogi Automated method for transferring lenses in a hydrated state from molds to receivers
US20060051454A1 (en) * 2004-08-26 2006-03-09 Ansell Scott F Molds for producing ophthalmic lenses
US20060202368A1 (en) * 2005-03-09 2006-09-14 Yasuo Matsuzawa Method for producing contact lenses
US20070194486A1 (en) * 2005-05-09 2007-08-23 Sanders Kerry T Ophthalmic lens inspection processing aid
US20070037897A1 (en) 2005-08-12 2007-02-15 Guigui Wang Method for making contact lenses
WO2007075526A2 (en) * 2005-12-20 2007-07-05 Johnson & Johnson Vision Care, Inc. Methods and systems for leaching silicone hydrogel ophthalmic lenses
US20070158865A1 (en) * 2005-12-27 2007-07-12 Russell Todd A Method for producing contact lenses
EP1818692A3 (en) * 2006-02-08 2010-05-19 Johson & Johnson Vision Care Inc. Release aids for releasing silicone hydrogen ophthalmic lenses
US8414804B2 (en) 2006-03-23 2013-04-09 Johnson & Johnson Vision Care, Inc. Process for making ophthalmic lenses
US20070267765A1 (en) * 2006-05-18 2007-11-22 Ansell Scott F Biomedical device mold
US7811483B2 (en) * 2006-06-01 2010-10-12 Coopervision International Holding Company, Lp Delensing of ophthalmic lenses using gas
US20070284770A1 (en) * 2006-06-07 2007-12-13 Ansell Scott F Decreased lens delamination during ophthalmic lens manufacture
MY147579A (en) * 2006-09-21 2012-12-31 Novartis Ag Method of de-molding contact lenses
US20080246171A1 (en) * 2006-09-27 2008-10-09 Berckmiller Gregory L Chilled injection molding during ophthalmic lens manufacture
US20080099658A1 (en) * 2006-10-31 2008-05-01 Vandana Srinivas Lens release with perimeter stamp
US7968018B2 (en) * 2007-04-18 2011-06-28 Coopervision International Holding Company, Lp Use of surfactants in extraction procedures for silicone hydrogel ophthalmic lenses
RU2488863C2 (en) * 2007-12-20 2013-07-27 Новартис Аг Method of making contact lenses
CN103969706B (en) * 2008-12-18 2017-08-25 诺华股份有限公司 Lens forming composition suitable for manufacturing silicone hydrogel contact lens
US8313675B2 (en) * 2009-08-31 2012-11-20 Coopervision International Holding Company, Lp Demolding of ophthalmic lenses during the manufacture thereof
EP2637847B1 (en) 2010-11-10 2014-07-23 Novartis AG Method for making contact lenses
SG190057A1 (en) 2010-12-01 2013-06-28 Novartis Ag Atmospheric plasma coating for ophthalmic devices
SG11201402675RA (en) 2011-11-29 2014-10-30 Novartis Ag Method of treating a lens forming surface of at least one mold half for molding ophthalmic lenses
EP3062979B1 (en) 2013-10-31 2018-08-29 Novartis AG Method for producing ophthalmic lenses
CN105793022B (en) 2013-12-13 2017-09-19 诺华股份有限公司 Method for preparing haptic lens
KR101720423B1 (en) * 2014-07-25 2017-03-27 에보니크 데구사 게엠베하 Anti-stick processing aids and use thereof in the production of water-absorbing particles
WO2018069869A1 (en) * 2016-10-14 2018-04-19 Novartis Ag Method for producing contact lenses
MY193482A (en) 2016-10-14 2022-10-17 Alcon Inc Method for producing contact lenses
KR102006918B1 (en) * 2017-12-21 2019-08-02 주식회사 티씨 싸이언스 Method for manufacturing silicon-containing soft contact lens and Soft contact lens manufactured by the method and Composition for molding the soft contact lens
EP4146461B1 (en) 2020-05-07 2024-03-13 Alcon Inc. Method for producing silicone hydrogel contact lenses

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976576A (en) * 1956-04-24 1961-03-28 Wichterle Otto Process for producing shaped articles from three-dimensional hydrophilic high polymers
US3220960A (en) * 1960-12-21 1965-11-30 Wichterle Otto Cross-linked hydrophilic polymers and articles made therefrom
AT251910B (en) * 1964-07-02 1967-01-25 Ceskoslovenska Akademie Ved Process for the manufacture of soft, pliable contact lenses
US3426102A (en) * 1965-08-18 1969-02-04 Standard Oil Co Polymerizates of olefinic nitriles and diene-nitrile rubbers
US3428043A (en) * 1966-06-09 1969-02-18 Nat Patent Dev Corp Bandage containing absorbed therapeutic materials
US3520949A (en) * 1966-07-26 1970-07-21 Nat Patent Dev Corp Hydrophilic polymers,articles and methods of making same
US3679504A (en) * 1968-04-05 1972-07-25 Ceskoslovenska Akademie Ved Method of forming color effects in hydrogel contact lenses and ophthalmic prostheses
US3618231A (en) * 1970-06-03 1971-11-09 Helen G Nason Educational game
US4042652A (en) * 1974-03-28 1977-08-16 Agfa-Gevaert, A.G. Method for the production of silicone elastomer-containing articles
DE2839249A1 (en) * 1977-09-12 1979-03-22 Toray Industries METHOD OF MANUFACTURING A SOFT CONTACT LENS AND OUTPUT SOLUTION FOR CARRYING OUT THE METHOD
CS239282B1 (en) * 1983-08-17 1986-01-16 Otto Wichterle Preparation method of objects made from hydrophilic gelsnamely contact lences by polymer casting
GB8508247D0 (en) * 1985-03-29 1985-05-09 Sola Int Holdings Contact lenses
US5034461A (en) * 1989-06-07 1991-07-23 Bausch & Lomb Incorporated Novel prepolymers useful in biomedical devices
US4983332A (en) * 1989-08-21 1991-01-08 Bausch & Lomb Incorporated Method for manufacturing hydrophilic contact lenses
JPH03183514A (en) * 1989-12-13 1991-08-09 Nippon Zeon Co Ltd Reaction injection molding method
US5080839A (en) * 1990-04-17 1992-01-14 Johnson & Johnson Vision Products, Inc. Process for hydrating soft contact lenses

Also Published As

Publication number Publication date
EP0605510B1 (en) 1996-05-08
EP0605510A1 (en) 1994-07-13
US5264161A (en) 1993-11-23
DE69210616D1 (en) 1996-06-13
WO1993004834A1 (en) 1993-03-18
CA2116658C (en) 1997-01-21
DE69210616T2 (en) 1996-12-05
ES2089563T3 (en) 1996-10-01

Similar Documents

Publication Publication Date Title
CA2116658A1 (en) Surfactants Used as Contact Lens Processing Aids
CA2238146A1 (en) Process for hydrating soft contact lenses
BR9502734A (en) Automated device for hydration of molded hydrophilic contact lenses and automated device for hydration of hydrophilic lenses
AU1031983A (en) Disinfecting solutions for hydrophilic contact lenses
CA2430644A1 (en) High optical quality molds for use in contact lens production
CA2204462A1 (en) Automated method and apparatus for hydrating soft contact lenses
CA2141571A1 (en) Process for Making Silicone Containing Hydrogel Lenses
WO2003023458A3 (en) Multiple lens molding system and method
CA2151340A1 (en) Contact lens production line pallet system
TW347361B (en) Automated method and apparatus for hydrating soft contact lenses
AU7880791A (en) Method for treating retroviral infections in mammals
AU5505190A (en) Process for reducing the level of soluble arsenic contaminants in an aqueous solution
DE3783608D1 (en) PLANARIZATION METHOD FOR THE PRODUCTION OF CONTACT HOLES IN SILICON BODIES.
ES2101360T3 (en) METHOD FOR MOLDING A HYDROPHILIC CONTACT LENS.
CA2159730A1 (en) Ionene polymers as anthelmintics in animals
EP0453950A3 (en) Process for the production of negative relief images
EP0463455A3 (en) Solid-state image pickup device, process for its manufacture, and method of driving the device
AU7966691A (en) Method for preserving contact lenses in one step
EP0380028A3 (en) Process for the production of low birefringent polymer films
AU8055687A (en) Polymeric ophthalmic lens preparation process and lens production process
DE69000385T2 (en) PROCEDURAL AIDS.
FR2660161B1 (en) PROCESS FOR THE MANUFACTURE OF THIN CHOCOLATE OR SIMILAR WAFERS, PREFERABLY PROVIDED WITH DECORATIVE IMPRESSIONS, AND MOLDED IN TWO PARTS FOR THE IMPLEMENTATION OF THIS PROCESS.
ITTO950615A0 (en) GLASSES LENS WITH LONG-LASTING DECORATION, GLASSES INCLUDING SUCH LENSES, AND PROCEDURE FOR PREPARING A LENS SURFACE WITH A LONG-LASTING DECORATION.
AU624523C (en) Improved method of manufacturing hydrophilic contact lenses
FR2652768B1 (en) PROCESS FOR THE MANUFACTURE OF MOLDS.

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20060901