CA2116658A1 - Surfactants Used as Contact Lens Processing Aids - Google Patents
Surfactants Used as Contact Lens Processing AidsInfo
- 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
Links
Classifications
-
- 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
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/60—Releasing, lubricating or separating agents
- B29C33/62—Releasing, 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.
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)
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)
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 |
-
1991
- 1991-09-05 US US07/755,201 patent/US5264161A/en not_active Expired - Lifetime
-
1992
- 1992-09-01 EP EP92919687A patent/EP0605510B1/en not_active Expired - Lifetime
- 1992-09-01 CA CA002116658A patent/CA2116658C/en not_active Expired - Fee Related
- 1992-09-01 ES ES92919687T patent/ES2089563T3/en not_active Expired - Lifetime
- 1992-09-01 WO PCT/US1992/007459 patent/WO1993004834A1/en active IP Right Grant
- 1992-09-01 DE DE69210616T patent/DE69210616T2/en not_active Expired - Fee Related
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed | ||
MKLA | Lapsed |
Effective date: 20060901 |