ATE31160T1 - Behandlung von kontaktlinsen auf basis von cellulose-acetat-butyrat. - Google Patents

Behandlung von kontaktlinsen auf basis von cellulose-acetat-butyrat.

Info

Publication number: ATE31160T1
Authority: AT; Austria
Prior art keywords: treatment; contact lenses; cellulose acetate; acetate butyrate; lenses based
Prior art date: 1982-11-01

Application number

AT83402105T

Other languages

English (en)

Inventor

Lim Drahoslav

Original Assignee

Barnes Hind Hydrocurve Inc

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.)

1982-11-01

Filing date

1983-10-27

Publication date

1987-12-15

1983-10-27 Application filed by Barnes Hind Hydrocurve Inc filed Critical Barnes Hind Hydrocurve Inc

1987-12-15 Application granted granted Critical

1987-12-15 Publication of ATE31160T1 publication Critical patent/ATE31160T1/de

Links

229920006217 cellulose acetate butyrate Polymers 0.000 title 1
FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 abstract 1
FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 abstract 1
229920002678 cellulose Polymers 0.000 abstract 1
239000001913 cellulose Substances 0.000 abstract 1
239000003795 chemical substances by application Substances 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
- C08J2301/14—Mixed esters

Landscapes

Chemical & Material Sciences (AREA)
General Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Treatments Of Macromolecular Shaped Articles (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Eyeglasses (AREA)
Compositions Of Macromolecular Compounds (AREA)

AT83402105T 1982-11-01 1983-10-27 Behandlung von kontaktlinsen auf basis von cellulose-acetat-butyrat. ATE31160T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/437,976 US4442141A (en)	1982-11-01	1982-11-01	Treatment of cellulose acetate butyrate contact lenses
EP83402105A EP0109326B1 (de)	1982-11-01	1983-10-27	Behandlung von Kontaktlinsen auf Basis von Cellulose-acetat-butyrat

Publications (1)

Publication Number	Publication Date
ATE31160T1 true ATE31160T1 (de)	1987-12-15

Family

ID=23738716

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT83402105T ATE31160T1 (de)	1982-11-01	1983-10-27	Behandlung von kontaktlinsen auf basis von cellulose-acetat-butyrat.

Country Status (8)

Country	Link
US (1)	US4442141A (de)
EP (1)	EP0109326B1 (de)
JP (1)	JPS59135423A (de)
AT (1)	ATE31160T1 (de)
AU (1)	AU561696B2 (de)
CA (1)	CA1221808A (de)
DE (1)	DE3374767D1 (de)
ZA (1)	ZA837932B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4569858A (en) *	1985-01-28	1986-02-11	Barnes-Hind, Inc.	Surface modification of hydrophilic contact lenses
US4861840A (en) *	1986-12-03	1989-08-29	Barnes-Hind, Inc.	Novel siloxanyl acrylic monomer and gas-permeable contact lenses made therefrom
CS267858B1 (en) *	1987-01-12	1990-02-12	Sulc Jiri	Contact,if need be,intra-ocular lens and method of its production

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3221083A (en) *	1960-08-18	1965-11-30	American Optical Corp	Optical elements formed of resinous materials and process for making the same
US3171752A (en) *	1962-07-11	1965-03-02	Burton Parsons Chemicals Inc	Contact lens treating solution
US3787378A (en) *	1973-01-24	1974-01-22	Hydrophilics Int Inc	Optical contact lenses and related devices
US3894129A (en) *	1973-03-15	1975-07-08	American Optical Corp	Method of manufacture of strain free contact lenses
US4116549A (en) *	1976-01-12	1978-09-26	Harris James E	Contact lens
US4168112A (en) *	1978-01-05	1979-09-18	Polymer Technology Corporation	Contact lens with a hydrophilic, polyelectrolyte complex coating and method for forming same
US4357295A (en) *	1981-07-23	1982-11-02	Foster Grant Corporation	Process for eliminating haze from articles made of cellulose acetate butyrate

1982
- 1982-11-01 US US06/437,976 patent/US4442141A/en not_active Expired - Lifetime
1983
- 1983-10-25 ZA ZA837932A patent/ZA837932B/xx unknown
- 1983-10-26 CA CA000439764A patent/CA1221808A/en not_active Expired
- 1983-10-27 DE DE8383402105T patent/DE3374767D1/de not_active Expired
- 1983-10-27 EP EP83402105A patent/EP0109326B1/de not_active Expired
- 1983-10-27 AU AU20665/83A patent/AU561696B2/en not_active Ceased
- 1983-10-27 AT AT83402105T patent/ATE31160T1/de not_active IP Right Cessation
- 1983-10-31 JP JP58202935A patent/JPS59135423A/ja active Pending

Also Published As

Publication number	Publication date
EP0109326A2 (de)	1984-05-23
CA1221808A (en)	1987-05-19
EP0109326A3 (en)	1985-06-05
US4442141A (en)	1984-04-10
ZA837932B (en)	1984-06-27
EP0109326B1 (de)	1987-12-02
AU561696B2 (en)	1987-05-14
AU2066583A (en)	1984-09-20
JPS59135423A (ja)	1984-08-03
DE3374767D1 (en)	1988-01-14

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Legal Events

Date	Code	Title	Description
1988-05-15	UEP	Publication of translation of european patent specification
1990-01-15	REN	Ceased due to non-payment of the annual fee