GB1339273A - Hygroscopic polymers - Google Patents

Hygroscopic polymers

Info

Publication number
GB1339273A
GB1339273A GB5374970A GB5374970A GB1339273A GB 1339273 A GB1339273 A GB 1339273A GB 5374970 A GB5374970 A GB 5374970A GB 5374970 A GB5374970 A GB 5374970A GB 1339273 A GB1339273 A GB 1339273A
Authority
GB
United Kingdom
Prior art keywords
nov
weight
per cent
hygroscopic polymers
tumblers
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
Application number
GB5374970A
Other languages
English (en)
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.)
Warner Lambert Co LLC
Original Assignee
Warner Lambert Co LLC
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 Warner Lambert Co LLC filed Critical Warner Lambert Co LLC
Publication of GB1339273A publication Critical patent/GB1339273A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G02B1/043—Contact lenses
    • 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
    • B29D11/00067—Hydrating contact lenses
    • 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
    • B29D11/00134—Curing of the contact lens material
    • 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
    • B29D11/00865—Applying coatings; tinting; colouring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F271/00—Macromolecular compounds obtained by polymerising monomers on to polymers of nitrogen-containing monomers as defined in group C08F26/00
    • C08F271/02—Macromolecular compounds obtained by polymerising monomers on to polymers of nitrogen-containing monomers as defined in group C08F26/00 on to polymers of monomers containing heterocyclic nitrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Ophthalmology & Optometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Graft Or Block Polymers (AREA)
  • Eyeglasses (AREA)
  • Laminated Bodies (AREA)
GB5374970A 1969-11-28 1970-11-11 Hygroscopic polymers Expired GB1339273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88082869A 1969-11-28 1969-11-28

Publications (1)

Publication Number Publication Date
GB1339273A true GB1339273A (en) 1973-11-28

Family

ID=25377194

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5374970A Expired GB1339273A (en) 1969-11-28 1970-11-11 Hygroscopic polymers

Country Status (6)

Country Link
US (1) US3700761A (enrdf_load_stackoverflow)
JP (1) JPS4832778B1 (enrdf_load_stackoverflow)
BE (1) BE759530A (enrdf_load_stackoverflow)
CA (1) CA936300A (enrdf_load_stackoverflow)
FR (2) FR2077538A1 (enrdf_load_stackoverflow)
GB (1) GB1339273A (enrdf_load_stackoverflow)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639524A (en) * 1969-07-28 1972-02-01 Maurice Seiderman Hydrophilic gel polymer insoluble in water from polyvinylpyrrolidone with n-vinyl-2-pyrrolidone and methacrylic modifier
US3916033A (en) * 1971-06-09 1975-10-28 High Voltage Engineering Corp Contact lens
US4189364A (en) * 1972-05-12 1980-02-19 Hydroplastics, Inc. Method for preparing hydrophilic polymers and polymer grafts including irradiation
US3841598A (en) * 1972-09-19 1974-10-15 B Grucza A mold for casting a hydrophilic contact lens blank
US3807398A (en) * 1972-09-19 1974-04-30 B Grucza Ocular implant
US4042552A (en) * 1972-09-19 1977-08-16 Warner-Lambert Company Composition for hydrophilic lens blank and method of casting
US3839304A (en) * 1973-02-12 1974-10-01 American Optical Corp Soft contact lens and method of production thereof
CA1010224A (en) * 1973-02-12 1977-05-17 Neville A. Baron Asepticizing of contact lenses
US3894129A (en) * 1973-03-15 1975-07-08 American Optical Corp Method of manufacture of strain free contact lenses
US3912451A (en) * 1973-06-04 1975-10-14 Warner Lambert Co Method for removing hydrogen peroxide from soft contact lenses
US3959102A (en) * 1973-08-06 1976-05-25 Essilor International (Compagnie Generale D'optique S.A.) Method for preparing a crosslinked graft copolymer of silicone and polyvinylpyrrolidone for use as a contact lens, and a contact lens produced thereby
US3901969A (en) * 1973-09-10 1975-08-26 Union Corp Sustained release of methantheline
US3908680A (en) * 1973-10-12 1975-09-30 Flow Pharma Inc Methods for cleaning and bleaching plastic articles
JPS5337028B2 (enrdf_load_stackoverflow) * 1973-12-11 1978-10-06
US3980084A (en) * 1974-01-09 1976-09-14 Hydro Optics, Inc. Ostomy gasket
US4126138A (en) * 1974-06-14 1978-11-21 Warner-Lambert Company Soft contact lens
US4045547A (en) * 1974-11-21 1977-08-30 Warner-Lambert Company Fabrication of soft contact lens and composition therefor
US3978164A (en) * 1974-11-21 1976-08-31 Warner-Lambert Company Pyrrolidone-methacrylate graft copolymers from 3-stage polymerization process
US4099859A (en) * 1974-12-02 1978-07-11 High Voltage Engineering Corporation Contact lens having a smooth surface layer of a hydrophilic polymer
US3979891A (en) * 1975-03-07 1976-09-14 Patton Orvil D Pneumatic fruit harvester
US4127638A (en) * 1976-09-13 1978-11-28 American Optical Corporation Process for casting polymer rods
US4123408A (en) * 1976-11-26 1978-10-31 American Optical Corporation Hydrogel contact lens
US4212107A (en) * 1978-06-09 1980-07-15 Orazio Mezzasalma Lens measuring method and apparatus
US4826889A (en) * 1978-07-18 1989-05-02 Polymer Technology, Corp. Dimensionally stable oxygen permeable hard contact lens material and method of manufacture
US4330383A (en) * 1978-07-18 1982-05-18 Polymer Technology Corporation Dimensionally stable oxygen permeable hard contact lens material and method of manufacture
IT1126059B (it) * 1979-02-14 1986-05-14 Intercast Europ Spa Procedimento per la fabbricazione di schermi protettivi per gli occhi e in particolare di lenti per occhiali in carbonato di allile diglicole o in altre sostanze aventi proprieta simili
SU1243627A3 (ru) * 1979-12-05 1986-07-07 Дзе Кендалл Компани (Фирма) Гелеобразующа композици
SE448544B (sv) * 1979-12-05 1987-03-02 Kendall & Co Vattenabsorberande komposition och anvendning derav som berare for ett lekemedel
CA1184367A (en) * 1981-06-22 1985-03-26 Novartis Ag Process for producing shaped articles having improved surfaces
US4368310A (en) * 1981-10-23 1983-01-11 Ppg Industries, Inc. Method of polymerizing sheets
US4395496A (en) * 1981-11-16 1983-07-26 Uco Optics, Inc. Cured cellulose ester, method of curing same, and use thereof
DE3277567D1 (en) * 1981-12-21 1987-12-10 Titmus Eurocon Kontaktlinsen Method for disinfecting and cleaning contact lenses
CA1272329A (en) * 1985-01-09 1990-07-31 Tatsutoshi Nakajima High water-absorptive soft contact lens
US4562018A (en) * 1985-01-28 1985-12-31 Neefe Charles W Method of casting optical surfaces on lens blanks
US4693446A (en) * 1985-09-20 1987-09-15 Techna Vision, Inc. Gasket for molding plastic lenses
US4729892A (en) * 1986-03-21 1988-03-08 Ciba-Geigy Corporation Use of cross-linked hydrogel materials as image contrast agents in proton nuclear magnetic resonance tomography and tissue phantom kits containing such materials
US4833196A (en) * 1986-08-04 1989-05-23 Ciba-Geigy Corporation Particulate hydroperoxidized poly-N-vinyl lactam, its preparation and use thereof
US4678838A (en) * 1986-08-04 1987-07-07 Ciba-Geigy Corporation Particulate hydroperoxidized poly-N-vinyl lactam, its preparation and use thereof
US4791175A (en) * 1986-08-04 1988-12-13 Ciba-Geigy Corporation Particulate hydroperoxidized poly-n-vinyl lactam, its preparation and use thereof
US4931228A (en) * 1989-04-05 1990-06-05 Coastvision Method of manufacturing soft contact lens buttons
DE8913474U1 (de) * 1989-11-15 1990-01-04 Tesimax-Altinger GmbH, 7530 Pforzheim Sichtfenster, insbesondere für Hitze-Schutzbekleidung
US5094609A (en) * 1990-04-17 1992-03-10 Vistakon, Inc. Chamber for hydrating contact lenses
US5080839A (en) * 1990-04-17 1992-01-14 Johnson & Johnson Vision Products, Inc. Process for hydrating soft contact lenses
US5318853A (en) * 1992-07-22 1994-06-07 Resikast Corporation Adhesive polyester prepolymer which does not etch polycarbonate sheets, and method of preparing same
US5640980A (en) * 1994-06-10 1997-06-24 Johnson & Johnson Vision Products, Inc. Automated apparatus for hydrating soft contact lenses
US5476111A (en) * 1994-06-10 1995-12-19 Johnson & Johnson Vision Products, Inc. Apparatus for hydrating soft contact lenses
US5972249A (en) * 1998-10-26 1999-10-26 Bausch & Lomb Incorporated Method and apparatus for curing contact lenses
US6467903B1 (en) 2000-03-31 2002-10-22 Ocular Sciences, Inc. Contact lens having a uniform horizontal thickness profile
US7628485B2 (en) 2000-03-31 2009-12-08 Coopervision International Holding Company, Lp Contact lens having a uniform horizontal thickness profile
GB0111721D0 (en) * 2001-05-14 2001-07-04 Electrosols Ltd Compositions
JP3999022B2 (ja) * 2002-04-04 2007-10-31 株式会社日本触媒 ビニルピロリドン系重合体
US20060117919A1 (en) * 2004-12-06 2006-06-08 Hank Stute Method and apparatus for manufacturing contact lenses
US7187859B2 (en) * 2004-12-06 2007-03-06 Paragon Vision Sciences, Inc. Method and apparatus for manufacturing contact lenses
CN101119754B (zh) 2005-02-14 2014-06-25 庄臣及庄臣视力保护公司 舒适的眼用器件及其制造方法
US20110130555A1 (en) * 2009-05-11 2011-06-02 Saul Yedgar Lipid-polymer conjugates, their preparation and uses thereof
US9052529B2 (en) 2006-02-10 2015-06-09 Johnson & Johnson Vision Care, Inc. Comfortable ophthalmic device and methods of its production
WO2008059502A2 (en) * 2006-11-14 2008-05-22 Yissum Research Development Company Contact lens compositions
CA2705785A1 (en) * 2006-11-14 2008-05-22 Saul Yedgar Use of lipid conjugates in the treatment of diseases or disorders of the eye
WO2008121644A2 (en) * 2007-03-30 2008-10-09 Johnson & Johnson Vision Care, Inc. Preparation of antimicrobial contact lenses with reduced haze using swelling agents
ES2634551T3 (es) 2010-04-03 2017-09-28 Praful Doshi Métodos para revestir una lente de contacto
WO2022209958A1 (ja) * 2021-04-02 2022-10-06 大塚化学株式会社 ブロック共重合体、分散剤、および、着色組成物

Also Published As

Publication number Publication date
US3700761A (en) 1972-10-24
JPS4832778B1 (enrdf_load_stackoverflow) 1973-10-09
BE759530A (fr) 1971-04-30
FR2077538A1 (enrdf_load_stackoverflow) 1971-10-29
CA936300A (en) 1973-10-30
FR2113535A5 (enrdf_load_stackoverflow) 1972-06-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years