FR2141814B1 - - Google Patents
Info
- Publication number
- FR2141814B1 FR2141814B1 FR7220889A FR7220889A FR2141814B1 FR 2141814 B1 FR2141814 B1 FR 2141814B1 FR 7220889 A FR7220889 A FR 7220889A FR 7220889 A FR7220889 A FR 7220889A FR 2141814 B1 FR2141814 B1 FR 2141814B1
- Authority
- FR
- France
- 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
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
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/22—Esters containing halogen
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15207371A | 1971-06-11 | 1971-06-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2141814A1 FR2141814A1 (en) | 1973-01-26 |
FR2141814B1 true FR2141814B1 (en) | 1977-12-23 |
Family
ID=22541411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7220889A Expired FR2141814B1 (en) | 1971-06-11 | 1972-06-09 |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5146614B1 (en) |
CA (1) | CA969791A (en) |
DE (1) | DE2228517C3 (en) |
FR (1) | FR2141814B1 (en) |
GB (1) | GB1374670A (en) |
IT (1) | IT956453B (en) |
NL (1) | NL7207879A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4130706A (en) * | 1977-08-08 | 1978-12-19 | E. I. Du Pont De Nemours And Company | Hydrophilic, oxygen permeable contact lens |
JPH073517B2 (en) * | 1985-11-29 | 1995-01-18 | チバ―ガイギー アクチエンゲゼルシャフト | Non-hydrous soft contact lens and method for producing the same |
JP4086338B2 (en) * | 1996-12-06 | 2008-05-14 | 株式会社松風 | Dental elastic restoration material and method for producing dental prosthetic material using the same |
ATE420125T1 (en) * | 2004-03-01 | 2009-01-15 | Lorenzo Toffano | COMPOSITIONS FOR PRODUCING HYDROPHOBIC COATINGS |
-
1972
- 1972-06-01 CA CA143,657A patent/CA969791A/en not_active Expired
- 1972-06-08 JP JP5653272A patent/JPS5146614B1/ja active Pending
- 1972-06-09 NL NL7207879A patent/NL7207879A/xx not_active Application Discontinuation
- 1972-06-09 FR FR7220889A patent/FR2141814B1/fr not_active Expired
- 1972-06-09 GB GB2702772A patent/GB1374670A/en not_active Expired
- 1972-06-10 IT IT2553772A patent/IT956453B/en active
- 1972-06-12 DE DE19722228517 patent/DE2228517C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1374670A (en) | 1974-11-20 |
JPS5146614B1 (en) | 1976-12-10 |
DE2228517B2 (en) | 1974-04-04 |
NL7207879A (en) | 1972-12-13 |
DE2228517A1 (en) | 1972-12-28 |
CA969791A (en) | 1975-06-24 |
FR2141814A1 (en) | 1973-01-26 |
DE2228517C3 (en) | 1974-10-31 |
IT956453B (en) | 1973-10-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |