ZA827255B - Borate crosslinked polyvinyl alcohol contact lens - Google Patents
Borate crosslinked polyvinyl alcohol contact lensInfo
- Publication number
- ZA827255B ZA827255B ZA827255A ZA827255A ZA827255B ZA 827255 B ZA827255 B ZA 827255B ZA 827255 A ZA827255 A ZA 827255A ZA 827255 A ZA827255 A ZA 827255A ZA 827255 B ZA827255 B ZA 827255B
- Authority
- ZA
- South Africa
- Prior art keywords
- polyvinyl alcohol
- contact lens
- crosslinked polyvinyl
- borate crosslinked
- alcohol contact
- Prior art date
Links
Classifications
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/42—Introducing metal atoms or metal-containing groups
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
-
- 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
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Eyeglasses (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30874281A | 1981-10-05 | 1981-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA827255B true ZA827255B (en) | 1983-08-31 |
Family
ID=23195206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA827255A ZA827255B (en) | 1981-10-05 | 1982-10-04 | Borate crosslinked polyvinyl alcohol contact lens |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP0077295A1 (fr) |
| JP (1) | JPS5875111A (fr) |
| KR (1) | KR840001473A (fr) |
| AU (1) | AU8897682A (fr) |
| BR (1) | BR8205798A (fr) |
| DK (1) | DK439882A (fr) |
| ES (1) | ES8400927A1 (fr) |
| FI (1) | FI823355L (fr) |
| GB (1) | GB2108701A (fr) |
| GR (1) | GR76755B (fr) |
| IL (1) | IL66929A0 (fr) |
| NO (1) | NO823334L (fr) |
| PT (1) | PT75635B (fr) |
| ZA (1) | ZA827255B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI831399L (fi) * | 1982-04-29 | 1983-10-30 | Agripat Sa | Kontaktlins av haerdad polyvinylalkohol |
| US4598122A (en) * | 1985-01-22 | 1986-07-01 | Ciba-Geigy Corporation | Polyoxirane crosslinked polyvinyl alcohol hydrogel contact lens |
| JP2552472B2 (ja) * | 1987-03-05 | 1996-11-13 | 株式会社 日本コンタクトレンズ | コンタクトレンズの製造方法 |
| US4978713A (en) * | 1987-12-16 | 1990-12-18 | Ciba-Geigy Corporation | Polyvinyl alcohol derivatives containing pendant vinylic monomer reaction product units bound through ether groups and hydrogel contact lenses made therefrom |
| JP6867490B2 (ja) * | 2016-12-30 | 2021-04-28 | ダウ グローバル テクノロジーズ エルエルシー | 樹脂ビーズ及び水溶液の処理における使用 |
| CN113509918B (zh) * | 2020-11-25 | 2022-06-10 | 中国科学院青海盐湖研究所 | 一种用于液体铷铯资源提取的杂多酸盐离子筛吸附剂颗粒制备方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3886112A (en) * | 1973-12-17 | 1975-05-27 | Polymer Films Inc | Polyvinyl alcohol based composition and articles made therefrom |
-
1982
- 1982-09-29 EP EP82810405A patent/EP0077295A1/fr not_active Withdrawn
- 1982-09-30 KR KR1019820004444A patent/KR840001473A/ko unknown
- 1982-10-01 PT PT75635A patent/PT75635B/pt unknown
- 1982-10-01 FI FI823355A patent/FI823355L/fi not_active Application Discontinuation
- 1982-10-01 AU AU88976/82A patent/AU8897682A/en not_active Abandoned
- 1982-10-01 GB GB08228040A patent/GB2108701A/en not_active Withdrawn
- 1982-10-04 NO NO823334A patent/NO823334L/no unknown
- 1982-10-04 IL IL66929A patent/IL66929A0/xx unknown
- 1982-10-04 DK DK439882A patent/DK439882A/da not_active Application Discontinuation
- 1982-10-04 BR BR8205798A patent/BR8205798A/pt unknown
- 1982-10-04 GR GR69431A patent/GR76755B/el unknown
- 1982-10-04 ZA ZA827255A patent/ZA827255B/xx unknown
- 1982-10-04 ES ES516195A patent/ES8400927A1/es not_active Expired
- 1982-10-05 JP JP57175243A patent/JPS5875111A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FI823355L (fi) | 1983-04-06 |
| PT75635B (en) | 1986-05-07 |
| BR8205798A (pt) | 1983-09-06 |
| GR76755B (fr) | 1984-08-31 |
| GB2108701A (en) | 1983-05-18 |
| AU8897682A (en) | 1983-04-14 |
| ES516195A0 (es) | 1983-12-16 |
| NO823334L (no) | 1983-04-06 |
| ES8400927A1 (es) | 1983-12-16 |
| JPS5875111A (ja) | 1983-05-06 |
| DK439882A (da) | 1983-04-06 |
| KR840001473A (ko) | 1984-05-07 |
| PT75635A (en) | 1982-11-01 |
| FI823355A0 (fi) | 1982-10-01 |
| IL66929A0 (en) | 1983-02-23 |
| EP0077295A1 (fr) | 1983-04-20 |
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