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
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 (xx) | 1973-01-26 |
| FR2141814B1 true FR2141814B1 (xx) | 1977-12-23 |
Family
ID=22541411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7220889A Expired FR2141814B1 (xx) | 1971-06-11 | 1972-06-09 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5146614B1 (xx) |
| CA (1) | CA969791A (xx) |
| DE (1) | DE2228517C3 (xx) |
| FR (1) | FR2141814B1 (xx) |
| GB (1) | GB1374670A (xx) |
| IT (1) | IT956453B (xx) |
| NL (1) | NL7207879A (xx) |
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 (ja) * | 1985-11-29 | 1995-01-18 | チバ―ガイギー アクチエンゲゼルシャフト | 非含水型ソフトコンタクトレンズおよびその製造方法 |
| JP4086338B2 (ja) * | 1996-12-06 | 2008-05-14 | 株式会社松風 | 歯科用弾性修復材料並びにそれを用いた歯科補綴材料の作製方法 |
| EP1571165B1 (en) * | 2004-03-01 | 2009-01-07 | Lorenzo Toffano | Compositions for the preparation of 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 FR FR7220889A patent/FR2141814B1/fr not_active Expired
- 1972-06-09 NL NL7207879A patent/NL7207879A/xx not_active Application Discontinuation
- 1972-06-09 GB GB2702772A patent/GB1374670A/en not_active Expired
- 1972-06-10 IT IT2553772A patent/IT956453B/it active
- 1972-06-12 DE DE19722228517 patent/DE2228517C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7207879A (xx) | 1972-12-13 |
| CA969791A (en) | 1975-06-24 |
| DE2228517B2 (de) | 1974-04-04 |
| GB1374670A (en) | 1974-11-20 |
| DE2228517A1 (de) | 1972-12-28 |
| FR2141814A1 (xx) | 1973-01-26 |
| DE2228517C3 (de) | 1974-10-31 |
| JPS5146614B1 (xx) | 1976-12-10 |
| IT956453B (it) | 1973-10-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |