CA1035073A - Soft contact lens from acrylonitrile acrylamide multiblock copolymer hydrogel - Google Patents

Soft contact lens from acrylonitrile acrylamide multiblock copolymer hydrogel

Info

Publication number: CA1035073A
Authority: CA; Canada
Prior art keywords: contact lens; soft contact; multiblock copolymer; copolymer hydrogel; acrylonitrile acrylamide
Prior art date: 1974-11-28
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

CA234,305A

Other languages

English (en)

French (fr)

Other versions

CA234305S (en

Inventor

Vladimir Stoy

Otto Wichterle

Artur Stoy

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.)

Czech Academy of Sciences CAS

Original Assignee

Czech Academy of Sciences CAS

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.)

1974-11-28

Filing date

1975-08-27

Publication date

1978-07-18

1975-08-27 Application filed by Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS

1978-07-18 Application granted granted Critical

1978-07-18 Publication of CA1035073A publication Critical patent/CA1035073A/en

Status Expired legal-status Critical Current

Links

239000000017 hydrogel Substances 0.000 title 1
229920006030 multiblock copolymer Polymers 0.000 title 1
ARQTVSWBVIWYSF-UHFFFAOYSA-N prop-2-enamide;prop-2-enenitrile Chemical compound C=CC#N.NC(=O)C=C ARQTVSWBVIWYSF-UHFFFAOYSA-N 0.000 title 1

Classifications

- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
- 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

Landscapes

Physics & Mathematics (AREA)
Health & Medical Sciences (AREA)
Ophthalmology & Optometry (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
General Health & Medical Sciences (AREA)
Eyeglasses (AREA)
Materials For Medical Uses (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

CA234,305A 1974-11-28 1975-08-27 Soft contact lens from acrylonitrile acrylamide multiblock copolymer hydrogel Expired CA1035073A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CS748072A CS189150B1 (en)	1974-11-28	1974-11-28	Contact lens from the hydrophilic polymere

Publications (1)

Publication Number	Publication Date
CA1035073A true CA1035073A (en)	1978-07-18

Family

ID=5430837

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA234,305A Expired CA1035073A (en)	1974-11-28	1975-08-27	Soft contact lens from acrylonitrile acrylamide multiblock copolymer hydrogel

Country Status (8)

Country	Link
US (1)	US4095877A (cs)
JP (1)	JPS5162740A (cs)
AT (1)	AT341244B (cs)
CA (1)	CA1035073A (cs)
CS (1)	CS189150B1 (cs)
DE (1)	DE2537952C3 (cs)
FR (1)	FR2292991A1 (cs)
GB (1)	GB1486045A (cs)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4640941A (en) *	1985-11-25	1987-02-03	Alcon Laboratories	Hydrogels containing siloxane comonomers
JP2540506B2 (ja) *	1985-11-28	1996-10-02	株式会社シード	含水性軟質コンタクトレンズ
US4640965A (en) *	1986-01-07	1987-02-03	Alcon Laboratories, Inc.	Hydrogel compositions using p-(2-hydroxyhexafluoroisopropyl) styrene as a comonomer
US4828705A (en) *	1986-10-31	1989-05-09	Kingston Technologies, Inc.	Pressure-dependent anisotropic-transport membrane system
US4986963A (en) *	1989-01-24	1991-01-22	Corcoran Richard A	Method of disinfecting contact lenses with peracetic acid
TW349967B (en) *	1995-02-03	1999-01-11	Novartis Ag	Process for producing contact lenses and a cross-linkable polyvinylalcohol used therefor
US5688855A (en) *	1995-05-01	1997-11-18	S.K.Y. Polymers, Inc.	Thin film hydrophilic coatings
US6210639B1 (en)	1998-10-26	2001-04-03	Novartis Ag	Apparatus, method and composition for cleaning and disinfecting
CA2421256A1 (en) *	2003-03-05	2004-09-05	Nick N. Novicky	Fluorosulfone-silicone hydrogel and rgp contact lenses, optical medical devices and compositions thereof
US7850951B2 (en) *	2006-02-21	2010-12-14	Mohsen Shahinpoor	Synthetic muscle-based multi-powered active contact lens

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CS159358B1 (cs) *	1970-03-26	1975-01-31
CS152018B1 (cs) *	1970-05-27	1973-12-19
CS159361B1 (cs) *	1970-09-08	1975-01-31
CS158458B1 (cs) *	1972-05-02	1974-11-25
US3948870A (en) *	1973-09-17	1976-04-06	Ceskoslovenska Akademie Ved	Method of preparing hydrophilic copolymers of acrylonitrile
US3929741A (en) *	1974-07-16	1975-12-30	Datascope Corp	Hydrophilic acrylamido polymers

1974
- 1974-11-28 CS CS748072A patent/CS189150B1/cs unknown
1975
- 1975-08-18 US US05/605,510 patent/US4095877A/en not_active Expired - Lifetime
- 1975-08-19 AT AT642675A patent/AT341244B/de not_active IP Right Cessation
- 1975-08-21 GB GB34812/75A patent/GB1486045A/en not_active Expired
- 1975-08-26 DE DE2537952A patent/DE2537952C3/de not_active Expired
- 1975-08-27 CA CA234,305A patent/CA1035073A/en not_active Expired
- 1975-08-28 FR FR7526473A patent/FR2292991A1/fr active Granted
- 1975-08-28 JP JP50103559A patent/JPS5162740A/ja active Pending

Also Published As

Publication number	Publication date
GB1486045A (en)	1977-09-14
CS189150B1 (en)	1979-04-30
DE2537952B2 (de)	1977-09-22
JPS5162740A (en)	1976-05-31
AT341244B (de)	1978-01-25
DE2537952C3 (de)	1978-05-24
ATA642675A (de)	1977-05-15
FR2292991B1 (cs)	1979-06-01
DE2537952A1 (de)	1976-08-12
FR2292991A1 (fr)	1976-06-25
US4095877A (en)	1978-06-20

Publication	Publication Date	Title
CA1030915A (en)	1978-05-09	Contact lens carrying case
IL47636A0 (en)	1975-10-15	Cross-linked hydrogel copolymer
AU500911B2 (en)	1979-06-07	Hydrogel solid
AU514538B2 (en)	1981-02-12	Hydrophilic contact lens
CA1030914A (en)	1978-05-09	Contact lens holding unit
AR208398A1 (es)	1976-12-27	Un copolimero hidrogel ligeramente entrelazado
JPS5278453A (en)	1977-07-01	Contact lens made of hydrophilic polymer
CA1004889A (en)	1977-02-08	Soft contact lenses
CA1035073A (en)	1978-07-18	Soft contact lens from acrylonitrile acrylamide multiblock copolymer hydrogel
GB1506965A (en)	1978-04-12	N-vinylpyrrolidone polymer
AU497270B2 (en)	1978-12-07	Polylactain-polyoxymethylene block copolymers
AU497722B2 (en)	1979-01-04	Silicone block copolymer
AU507780B2 (en)	1980-02-28	Block copolymers
AU500161B2 (en)	1979-05-10	Nonlinear elastomeric copolymer
AU497088B2 (en)	1978-11-30	Hydrophilic modified acrylic polymers
AU499394B2 (en)	1979-04-12	Contact lens carrying case
AU511573B2 (en)	1980-08-28	Nitrile copolymers
CA982545A (en)	1976-01-27	Tilting device
AU497098B2 (en)	1978-11-30	Hydrophilic amide polymer compositions
AU520851B2 (en)	1982-03-04	Block copolymers
ZA755364B (en)	1976-07-28	Focus adjusting device
CS183736B2 (en)	1978-07-31	Contact lenses
JPS5285285A (en)	1977-07-15	Hydrophilic copolymers and contact lens produced therefrom
AU488946B2 (en)	1976-07-22	Crosslinking agents for fluorocarbon polymers
AU8238275A (en)	1977-01-06	Hydrophilic copolymer of n, n (c1-c2, alkyl) acrylamide