BR8805703A - Vidro para aplicacoes oftalmicas - Google Patents
Vidro para aplicacoes oftalmicasInfo
- Publication number
- BR8805703A BR8805703A BR8805703A BR8805703A BR8805703A BR 8805703 A BR8805703 A BR 8805703A BR 8805703 A BR8805703 A BR 8805703A BR 8805703 A BR8805703 A BR 8805703A BR 8805703 A BR8805703 A BR 8805703A
- Authority
- BR
- Brazil
- Prior art keywords
- glass
- ophthalmic applications
- ophthalmic
- applications
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8715278A FR2622569B1 (fr) | 1987-11-04 | 1987-11-04 | Verre a indice de refraction moyen pour application ophtalmiques |
| US07/210,427 US4822758A (en) | 1987-11-04 | 1988-06-23 | Medium refractive index glass suitable for ophthalmic applications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8805703A true BR8805703A (pt) | 1989-07-18 |
Family
ID=26226313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8805703A BR8805703A (pt) | 1987-11-04 | 1988-11-03 | Vidro para aplicacoes oftalmicas |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0315353B1 (pt) |
| JP (1) | JP2683778B2 (pt) |
| AR (1) | AR242016A1 (pt) |
| BR (1) | BR8805703A (pt) |
| CA (1) | CA1320505C (pt) |
| DE (1) | DE3881827T2 (pt) |
| ES (1) | ES2041808T3 (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867442B (zh) * | 2019-04-24 | 2021-11-26 | 成都光明光电股份有限公司 | 光学玻璃 |
| CN112028475B (zh) * | 2020-09-11 | 2022-04-15 | 成都光明光电股份有限公司 | 光学玻璃和光学元件 |
| CN112028474B (zh) * | 2020-09-11 | 2022-04-15 | 成都光明光电股份有限公司 | 光学玻璃 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE551389A (pt) * | 1956-09-10 | |||
| JPS59152240A (ja) * | 1983-02-14 | 1984-08-30 | Hoya Corp | 光学ガラス |
| FR2550187B1 (fr) * | 1983-08-02 | 1986-06-06 | Corning Glass Works | Verres de faible densite et de haut indice de refraction pour applications ophtalmiques et optiques |
| JPS5918131A (ja) * | 1984-01-27 | 1984-01-30 | Nippon Kogaku Kk <Nikon> | 眼鏡レンズ用軽量ガラス |
-
1988
- 1988-10-19 CA CA000580592A patent/CA1320505C/en not_active Expired - Fee Related
- 1988-10-25 EP EP19880310007 patent/EP0315353B1/en not_active Expired - Lifetime
- 1988-10-25 DE DE19883881827 patent/DE3881827T2/de not_active Expired - Fee Related
- 1988-10-25 ES ES88310007T patent/ES2041808T3/es not_active Expired - Lifetime
- 1988-11-02 JP JP63278501A patent/JP2683778B2/ja not_active Expired - Fee Related
- 1988-11-03 AR AR31238788A patent/AR242016A1/es active
- 1988-11-03 BR BR8805703A patent/BR8805703A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES2041808T3 (es) | 1993-12-01 |
| JP2683778B2 (ja) | 1997-12-03 |
| JPH01157429A (ja) | 1989-06-20 |
| DE3881827T2 (de) | 1993-12-23 |
| AR242016A1 (es) | 1993-02-26 |
| EP0315353A1 (en) | 1989-05-10 |
| CA1320505C (en) | 1993-07-20 |
| DE3881827D1 (de) | 1993-07-22 |
| EP0315353B1 (en) | 1993-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EG | Technical examination (opinion): publication of technical examination (opinion) | ||
| FF | Decision: granting | ||
| FG9A | Patent or certificate of addition granted | ||
| B21A | Extinguishment of a patent or of a certificate of addition of invention: extinguishment - article 78, item i of industrial property law |
Free format text: PATENTE EXTINTA EM 24/11/2008 |