GB2251854B - Ophthalmic glass with high acid resistance - Google Patents
Ophthalmic glass with high acid resistanceInfo
- Publication number
- GB2251854B GB2251854B GB9200728A GB9200728A GB2251854B GB 2251854 B GB2251854 B GB 2251854B GB 9200728 A GB9200728 A GB 9200728A GB 9200728 A GB9200728 A GB 9200728A GB 2251854 B GB2251854 B GB 2251854B
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid resistance
- high acid
- ophthalmic glass
- ophthalmic
- glass
- Prior art date
- 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 - Fee Related
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
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
- C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
-
- 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
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
- C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
- C03C3/074—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron containing zinc
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19914101365 DE4101365C1 (en) | 1991-01-18 | 1991-01-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9200728D0 GB9200728D0 (en) | 1992-03-11 |
GB2251854A GB2251854A (en) | 1992-07-22 |
GB2251854B true GB2251854B (en) | 1994-06-29 |
Family
ID=6423253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9200728A Expired - Fee Related GB2251854B (en) | 1991-01-18 | 1992-01-14 | Ophthalmic glass with high acid resistance |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE4101365C1 (en) |
FR (1) | FR2671794B1 (en) |
GB (1) | GB2251854B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4336122C1 (en) * | 1993-10-22 | 1995-04-27 | Deutsche Spezialglas Ag | High-refraction ophthalmic glass and use of the glass |
US10343946B2 (en) | 2010-10-26 | 2019-07-09 | Schott Ag | Highly refractive thin glasses |
DE102014109832B4 (en) * | 2014-07-14 | 2017-12-28 | Schott Ag | High-index thin glasses |
US10308545B2 (en) | 2010-10-26 | 2019-06-04 | Schott Ag | Highly refractive thin glasses |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3121824C2 (en) * | 1981-06-02 | 1984-06-14 | Schott Glaswerke, 6500 Mainz | Acid-resistant, hydrolytically stable optical and ophthalmic glass of low density |
JPS5860640A (en) * | 1981-10-01 | 1983-04-11 | Hoya Corp | Optical glass |
JPS6046945A (en) * | 1983-08-22 | 1985-03-14 | Ohara Inc | Optical glass |
-
1991
- 1991-01-18 DE DE19914101365 patent/DE4101365C1/de not_active Expired - Lifetime
-
1992
- 1992-01-14 GB GB9200728A patent/GB2251854B/en not_active Expired - Fee Related
- 1992-01-16 FR FR9200385A patent/FR2671794B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2671794A1 (en) | 1992-07-24 |
GB9200728D0 (en) | 1992-03-11 |
GB2251854A (en) | 1992-07-22 |
DE4101365C1 (en) | 1992-04-16 |
FR2671794B1 (en) | 1994-11-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20040114 |