DE69602427T2 - Verfahren zur entformung, extraktion und reinigung von gegenständen aus kunststoff mittels einer flüssigkeit im superkritischem zustand - Google Patents

Verfahren zur entformung, extraktion und reinigung von gegenständen aus kunststoff mittels einer flüssigkeit im superkritischem zustand

Info

Publication number
DE69602427T2
DE69602427T2 DE69602427T DE69602427T DE69602427T2 DE 69602427 T2 DE69602427 T2 DE 69602427T2 DE 69602427 T DE69602427 T DE 69602427T DE 69602427 T DE69602427 T DE 69602427T DE 69602427 T2 DE69602427 T2 DE 69602427T2
Authority
DE
Germany
Prior art keywords
lens
mold
polymeric article
extracing
plastic
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.)
Expired - Fee Related
Application number
DE69602427T
Other languages
English (en)
Other versions
DE69602427D1 (de
Inventor
Roger Hoffman
Wilson Terry
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.)
Novartis AG
Original Assignee
Novartis AG
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 Novartis AG filed Critical Novartis AG
Publication of DE69602427D1 publication Critical patent/DE69602427D1/de
Application granted granted Critical
Publication of DE69602427T2 publication Critical patent/DE69602427T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • B29D11/00192—Demoulding, e.g. separating lenses from mould halves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
    • B08B3/104—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid using propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0021—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by liquid gases or supercritical fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0003—Discharging moulded articles from the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/009—After-treatment of articles without altering their shape; Apparatus therefor using gases without chemical reaction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B29D11/00076—Production of contact lenses enabling passage of fluids, e.g. oxygen, tears, between the area under the lens and the lens exterior
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
    • B29C2071/0027—Removing undesirable residual components, e.g. solvents, unreacted monomers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
    • B29C2071/0054—Supercritical fluid treatment, i.e. using a liquid in which distinct liquid and gas phases do not exist
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0041—Contact lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/753—Medical equipment; Accessories therefor
DE69602427T 1995-02-22 1996-02-09 Verfahren zur entformung, extraktion und reinigung von gegenständen aus kunststoff mittels einer flüssigkeit im superkritischem zustand Expired - Fee Related DE69602427T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/393,107 US5607518A (en) 1995-02-22 1995-02-22 Methods of deblocking, extracting and cleaning polymeric articles with supercritical fluids
PCT/EP1996/000554 WO1996026059A1 (en) 1995-02-22 1996-02-09 Method of deblocking, extracting and cleaning polymeric articles with supercritical fluid

Publications (2)

Publication Number Publication Date
DE69602427D1 DE69602427D1 (de) 1999-06-17
DE69602427T2 true DE69602427T2 (de) 1999-10-07

Family

ID=23553303

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69602427T Expired - Fee Related DE69602427T2 (de) 1995-02-22 1996-02-09 Verfahren zur entformung, extraktion und reinigung von gegenständen aus kunststoff mittels einer flüssigkeit im superkritischem zustand

Country Status (19)

Country Link
US (1) US5607518A (de)
EP (1) EP0809564B1 (de)
JP (1) JPH11500078A (de)
KR (1) KR19980702373A (de)
CN (1) CN1175921A (de)
AT (1) ATE179924T1 (de)
AU (1) AU4623296A (de)
BR (1) BR9607340A (de)
CA (1) CA2211023A1 (de)
CZ (1) CZ266197A3 (de)
DE (1) DE69602427T2 (de)
FI (1) FI973381A0 (de)
HU (1) HUP9702450A2 (de)
IL (1) IL117143A0 (de)
NO (1) NO973809L (de)
PL (1) PL321941A1 (de)
TW (1) TW291541B (de)
WO (1) WO1996026059A1 (de)
ZA (1) ZA961365B (de)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0741637B1 (de) 1994-01-31 1999-07-28 Bausch & Lomb Incorporated Verfahren zur behandlung von kontaktlinsen mit superkritischen fluidum
US5860467A (en) * 1996-12-03 1999-01-19 The University Of North Carolina At Chapel Hill Use of CO2 -soluble materials in making molds
US6497000B1 (en) * 1999-09-30 2002-12-24 Novartis Ag Apparatus for cleaning ophthalmic components
WO2001002881A1 (en) * 1999-07-01 2001-01-11 Bausch & Lomb Incorporated Process for removing extractables from polymeric contact lenses
AT407967B (de) * 1999-08-26 2001-07-25 Schmoll Ralph Vorrichtung zum abblocken von optischen gläsern, insbesondere von brillengläsern
JP2001158827A (ja) * 1999-09-21 2001-06-12 Daicel Chem Ind Ltd プラスチック成形品の表面改質方法及び表面改質プラスチック成形品
EP1229976A1 (de) * 1999-09-24 2002-08-14 Bausch & Lomb Incorporated Verfahren zur reinigung und wiederverwendung von lösungsmitteln zur entfernung von extrahierbaren materialien
DE60021595T3 (de) † 1999-10-27 2011-08-18 Novartis AG, 4056 Entformung von kontakt-linsen
US6514438B1 (en) * 1999-12-21 2003-02-04 Bausch & Lomb Incorporated Pulse extraction of ocular medical devices
ES2271074T3 (es) * 2000-09-29 2007-04-16 Depuy Orthopaedics, Inc. Tratamiento con un fluido supercritico de una preforma irradiada de un soporte protesico de polietileno.
US6939487B1 (en) * 2000-10-13 2005-09-06 Novartis A.G. Deblocking contact lenses
EP1467854A4 (de) * 2001-12-12 2007-01-10 Depuy Products Inc Orthopädische vorrichtung und herstellungsverfahren dafür
US7186364B2 (en) * 2002-01-28 2007-03-06 Depuy Products, Inc. Composite prosthetic bearing constructed of polyethylene and an ethylene-acrylate copolymer and method for making the same
US7819925B2 (en) * 2002-01-28 2010-10-26 Depuy Products, Inc. Composite prosthetic bearing having a crosslinked articulating surface and method for making the same
JP2005523951A (ja) * 2002-04-23 2005-08-11 ベーリンガー インゲルハイム ファーマシューティカルズ インコーポレイテッド カルボマー中の残留有機溶媒の低減方法
US20040002770A1 (en) * 2002-06-28 2004-01-01 King Richard S. Polymer-bioceramic composite for orthopaedic applications and method of manufacture thereof
US7174744B2 (en) * 2002-08-20 2007-02-13 American Air Liquide, Inc. Method of improving the biocidal efficacy of dry ice
US6827093B2 (en) * 2002-11-14 2004-12-07 Lens Technology I, Llc Optical lens steam cleaning apparatus and method of using the same
US7285287B2 (en) * 2002-11-14 2007-10-23 Synecor, Llc Carbon dioxide-assisted methods of providing biocompatible intraluminal prostheses
US7938861B2 (en) * 2003-04-15 2011-05-10 Depuy Products, Inc. Implantable orthopaedic device and method for making the same
US20040262809A1 (en) * 2003-06-30 2004-12-30 Smith Todd S. Crosslinked polymeric composite for orthopaedic implants
US7368589B2 (en) * 2003-10-31 2008-05-06 Johnson & Johnson Vision Care, Inc. Purification of silicone containing compounds by supercritical fluid extraction
DE10353553A1 (de) * 2003-11-14 2005-06-23 Stockmar, Günter Verfahren zum thermischen Abblocken bzw. Abtauen des Alloys sowie ein mit Alloy an einem Werkstück festgelegtes Blockstück
JP4495476B2 (ja) * 2004-02-09 2010-07-07 Ｈｏｙａ株式会社 反射防止膜を有する光学素子の製造方法
US20050258096A1 (en) * 2004-05-21 2005-11-24 Bausch & Lomb Incorporated Process for extracting biomedical devices
US20050276723A1 (en) * 2004-06-15 2005-12-15 Meenakshi Sundaram Aseptic sterilant using ozone in liquid carbon dioxide
EP1611877A1 (de) * 2004-06-28 2006-01-04 Universidade de Coimbra Methode zur Herstellung von verzögert freisetzenden therapeutischen ophthalmologischen Formulierungen unter Anwendung komprimierter Flüssigkeiten für die Imprägnierung von Arzneistoffen.
US7384430B2 (en) * 2004-06-30 2008-06-10 Depuy Products, Inc. Low crystalline polymeric material for orthopaedic implants and an associated method
WO2006023129A1 (en) * 2004-08-05 2006-03-02 Mallinckrodt Baker, Inc. Preparation of ultrapure polymeric articles
US20060078592A1 (en) * 2004-10-12 2006-04-13 Bausch & Lomb Incorporated Drug delivery systems
US20060130881A1 (en) * 2004-12-21 2006-06-22 Sanjay Rastogi Method of cleaning optical tools for making contact lens molds using super-cooled fluids
US20060131769A1 (en) * 2004-12-22 2006-06-22 Bausch & Lomb Incorporated Pre-polymer extraction using a super-cooled fluid
US7883653B2 (en) 2004-12-30 2011-02-08 Depuy Products, Inc. Method of making an implantable orthopaedic bearing
US7879275B2 (en) * 2004-12-30 2011-02-01 Depuy Products, Inc. Orthopaedic bearing and method for making the same
US7896921B2 (en) * 2004-12-30 2011-03-01 Depuy Products, Inc. Orthopaedic bearing and method for making the same
EP1683626A1 (de) * 2005-01-25 2006-07-26 Linde Aktiengesellschaft Verfahren und Vorrichtung zum Behandeln von Spritzgussartikeln mit Gas
US20070132120A1 (en) * 2005-12-08 2007-06-14 Bausch & Lomb Incorporated Preferential release of an ophthalmic lens using a super-cooled fluid
US20070132125A1 (en) * 2005-12-08 2007-06-14 Bausch & Lomb Incorporated Use of a super-cooled fluid in lens processing
US20070132121A1 (en) * 2005-12-08 2007-06-14 Bausch & Lomb Incorporated Method of cleaning molds using super-cooled fluids
US20070132119A1 (en) * 2005-12-08 2007-06-14 Bausch & Lomb Incorporated Use of a super-cooled fluid in the manufacture of contact lenses
US20070132118A1 (en) * 2005-12-09 2007-06-14 Bausch And Lomb Incorporated Method and Apparatus for Treatment of a Device-in-Mold Assembly with a Supercritical Fluid
US20070138670A1 (en) 2005-12-20 2007-06-21 Bausch And Lomb Incorporated Method and Apparatus for the Dry Release of a Compliant Opthalmic Article from a Mold Surface
US7811483B2 (en) * 2006-06-01 2010-10-12 Coopervision International Holding Company, Lp Delensing of ophthalmic lenses using gas
US8231218B2 (en) 2006-06-15 2012-07-31 Coopervision International Holding Company, Lp Wettable silicone hydrogel contact lenses and related compositions and methods
ES2289933B1 (es) * 2006-07-06 2009-05-06 RAFER & PROJECT, S.L. Procedimiento para desbloqueo del soporte y eliminacion de lamina protectora de lentes durante su fabricacion.
ATE503625T1 (de) * 2006-09-21 2011-04-15 Novartis Ag Verfahren zur entnahme von kontaktlinsen aus einer form
US8037415B1 (en) 2007-09-21 2011-10-11 United Services Automobile Association (Usaa) Systems, methods, and computer readable media for managing a hosts file
US20100109176A1 (en) 2008-11-03 2010-05-06 Chris Davison Machined lens molds and methods for making and using same
US8313675B2 (en) * 2009-08-31 2012-11-20 Coopervision International Holding Company, Lp Demolding of ophthalmic lenses during the manufacture thereof
JP2011051098A (ja) * 2009-08-31 2011-03-17 Olympus Corp 光学素子の製造方法、及び、光学素子
WO2012045171A1 (en) * 2010-10-07 2012-04-12 Husky Injection Molding System Ltd. A molding stack having vent cleaning
FR2994850B1 (fr) * 2012-09-04 2015-07-17 Jean-Marie Andre Procede de traitement pour l'elaboration d'implants ou de protheses de polymeres a liberation controlee de principes actifs.
JP2017505817A (ja) 2014-02-04 2017-02-23 アボット カーディオバスキュラー システムズ インコーポレイテッド コーティングに対するｎｏｖｏｌｉｍｕｓの結合が最小限になるように、ｎｏｖｏｌｉｍｕｓとラクチドとをベースにするコーティングを有する薬物送達足場またはステント
FR3032904B1 (fr) * 2015-02-19 2017-11-10 Prodways Procede de post-traitement d'objets tridimensionnels fabriques par stereolithographie
WO2016198405A1 (en) * 2015-06-08 2016-12-15 Eidgenössische Technische Hochschule Zürich Polymer compositions and processing thereof
DE102015219948A1 (de) * 2015-10-14 2017-04-20 Volkswagen Aktiengesellschaft Verfahren zur Entfernung von Monomeren und/oder Oligomeren aus einem durch Polymerisation entstandenen Bauteil
US10567084B2 (en) 2017-12-18 2020-02-18 Honeywell International Inc. Thermal interface structure for optical transceiver modules
CN109575354B (zh) * 2018-11-16 2022-12-23 浙江大学 一种用超/亚临界流体脱除海绵中挥发性有机物的方法
US20220006092A1 (en) * 2018-11-19 2022-01-06 Cens Materials Ltd. Dispersion of small scale materials via cavitation
EP3738991A1 (de) * 2019-05-17 2020-11-18 Evonik Operations GmbH Verfahren zum lösen von klebstoffen
CN111965874B (zh) * 2020-08-07 2023-12-29 Tcl华星光电技术有限公司 液晶显示面板的制作方法及液晶显示面板

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT313039B (de) * 1971-05-07 1974-01-25 Studiengesellschaft Kohle Mbh Verfahren zur Gewinnung von Coffein aus Rohkaffee
JPS63309403A (ja) * 1987-06-12 1988-12-16 Nkk Corp 泥漿鋳込み成形用鋳型
US4873218A (en) * 1988-05-26 1989-10-10 The United States Department Of Energy Low density, resorcinol-formaldehyde aerogels
US4882107A (en) * 1988-11-23 1989-11-21 Union Carbide Chemicals And Plastics Company Inc. Mold release coating process and apparatus using a supercritical fluid
GB8928250D0 (en) * 1989-12-14 1990-02-21 Erba Carlo Spa Use of supercritical fluids to obtain porous sponges of biodegradable polymers
US5306350A (en) * 1990-12-21 1994-04-26 Union Carbide Chemicals & Plastics Technology Corporation Methods for cleaning apparatus using compressed fluids
EP0564396A1 (de) * 1992-04-01 1993-10-06 SULZER Medizinaltechnik AG Verfahren und Vorrichtung zur Reinigung und Keimverminderung von textilen medizinischen Implantaten
JPH0627424A (ja) * 1992-07-09 1994-02-04 Asahi Chem Ind Co Ltd コンタクトレンズ材料およびその製造方法
US5456759A (en) * 1992-08-10 1995-10-10 Hughes Aircraft Company Method using megasonic energy in liquefied gases
US5339844A (en) * 1992-08-10 1994-08-23 Hughes Aircraft Company Low cost equipment for cleaning using liquefiable gases
DE4309734A1 (de) * 1993-03-25 1994-09-29 Akzo Nobel Nv Verfahren zum Reinigen von Hohlfasern

Also Published As

Publication number Publication date
IL117143A0 (en) 1996-06-18
FI973381A (fi) 1997-08-18
CZ266197A3 (en) 1997-11-12
DE69602427D1 (de) 1999-06-17
WO1996026059A1 (en) 1996-08-29
EP0809564B1 (de) 1999-05-12
ATE179924T1 (de) 1999-05-15
MX9706417A (es) 1997-11-29
AU4623296A (en) 1996-09-11
FI973381A0 (fi) 1997-08-18
TW291541B (de) 1996-11-21
KR19980702373A (ko) 1998-07-15
NO973809L (no) 1997-10-22
EP0809564A1 (de) 1997-12-03
CN1175921A (zh) 1998-03-11
CA2211023A1 (en) 1996-08-29
NO973809D0 (no) 1997-08-19
BR9607340A (pt) 1997-11-25
PL321941A1 (en) 1998-01-05
HUP9702450A2 (hu) 1998-03-30
JPH11500078A (ja) 1999-01-06
US5607518A (en) 1997-03-04
ZA961365B (en) 1996-08-22

Similar Documents

Publication Publication Date Title
DE69602427D1 (de) Verfahren zur entformung, extraktion und reinigung von gegenständen aus kunststoff mittels einer flüssigkeit im superkritischem zustand
DK0686469T3 (da) Fremgangsmåde og apparat til påføring af et overfladeaktivt middel på støbeflader
DE69520687D1 (de) Verfahren und system zur aufbereitung von unter druck stehenden flüssigen lösungsmitteln zur reinigung von substraten
DE69607512D1 (de) Verfahren und Vorrichtung zum Aufbringen einer Tensidsubstanz auf die Oberfläche einer Form
ATE202311T1 (de) Verfahren zur übertragung von weichen kontaktlinsen
ATE109519T1 (de) Verfahren zum reinigen von gegenständen sowie anlage zur durchführung eines solchen verfahrens.
DE602005014619D1 (de) Verfahren zur beschichtung von gekrümmten flächen mit einer polarisierenden flüssigkeit und vorrichtung
BR9305993A (pt) Processo para limpar artigos de epoxi
DE69310200D1 (de) Verfahren zur herstellung einer hydrophilen kontakt-linse
DE69114877T2 (de) Verfahren zum Entfernen einer Flüssigkeit von der Oberfläche eines Substrats in einer Schleuder.
WO2001074570A3 (en) Apparatus and system for the production of plastic lenses
DE3874133D1 (de) Verfahren zur entkeimung und reinigung von augenprothesen, insbesondere von kontaktlinsen.
NZ508338A (en) Process for removing coating from vitreous surface using ammonium bifluoride
WO2006069207A1 (en) Pre-polymer extraction using a super-cooled fluid
DE69805595D1 (de) Verfahren zum entfernen von hartbeschichtungen von plastiklinsen
EP0233708A3 (de) Beschichtetes Substrat
ATA148692A (de) Verfahren zum ablösen von an oberflächen von mit flüssigkeit in berührung stehenden körpern, insbesondere brunnenrohren, haftenden ablagerungen
DE69534222D1 (de) Verfahren zur Oberflächenbehandlung eines Gegenständes durch Sulfonierung und Neutralisation
ATE151062T1 (de) Verfahren zur behandlung von glas zum haften von polymeren stoffen
JP2000225382A (ja) 洗浄方法
DE502004000530D1 (de) Verfahren und Vorrichtung zur Aufbereitung von Kunststoffabfällen enthaltend verunreinigtes Polyethylenterephthalat
US20060045964A1 (en) Processing method to treat glasses or the like surface
DE59309613D1 (de) Verfahren zur Herstellung von asphärischen, insbesondere torischen, Kontaktlinsen
SE9703918D0 (sv) Rengöring av ytor
ATE136577T1 (de) Verfahren zum aufsaugen von verunreinigenden produkten

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee