IN172070B - - Google Patents
Info
- Publication number
- IN172070B IN172070B IN795/MAS/88A IN795MA1988A IN172070B IN 172070 B IN172070 B IN 172070B IN 795MA1988 A IN795MA1988 A IN 795MA1988A IN 172070 B IN172070 B IN 172070B
- Authority
- IN
- India
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S501/00—Compositions: ceramic
- Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
- Y10S501/903—Optical glass, e.g. silent on refractive index and/or ABBE number having refractive index less than 1.8 and ABBE number less than 70
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 |
|---|---|---|---|
| FR8715278A FR2622569B1 (fr) | 1987-11-04 | 1987-11-04 | Verre a indice de refraction moyen pour application ophtalmiques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN172070B true IN172070B (US20030220297A1-20031127-C00009.png) | 1993-03-27 |
Family
ID=9356471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN795/MAS/88A IN172070B (US20030220297A1-20031127-C00009.png) | 1987-11-04 | 1988-11-11 |
Country Status (4)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5250098A (en) * | 1992-07-27 | 1993-10-05 | Ford Motor Company | Thermally durable anti-reflective glass |
| DE19958517C1 (de) | 1999-12-04 | 2001-06-21 | Schott Glas | Bleifreie optische Leichtflintgläser |
| JP2003292338A (ja) * | 2002-04-02 | 2003-10-15 | Ohara Inc | 光学ガラス |
| JP2005038956A (ja) * | 2003-07-17 | 2005-02-10 | Matsushita Electric Ind Co Ltd | 光部品とその製造方法 |
| US7045475B2 (en) * | 2004-04-28 | 2006-05-16 | Pq Corporation | High refractive index glass beads for high retroreflectivity surfaces |
| CN106382081A (zh) * | 2016-08-31 | 2017-02-08 | 夏波 | 一种建筑玻璃 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2523265A (en) * | 1947-11-28 | 1950-09-26 | Corning Glass Works | Ophthalmic glass |
| US2699399A (en) * | 1952-02-18 | 1955-01-11 | Corning Glass Works | Green ophthalmic glass |
| BE551389A (US20030220297A1-20031127-C00009.png) * | 1956-09-10 | |||
| US2901365A (en) * | 1957-11-25 | 1959-08-25 | Pittsburgh Plate Glass Co | Glass composition |
| JPS5953223B2 (ja) * | 1979-10-23 | 1984-12-24 | ホ−ヤ株式会社 | 眼鏡レンズ用ガラス |
| DE3139212A1 (de) * | 1981-10-02 | 1983-04-21 | Schott Glaswerke, 6500 Mainz | Optisches und ophthalmisches glas mit brechwerten nd>= 1,58, abbezahlen >= 45 und dichten <= 2,75 g/cm(pfeil hoch)3(pfeil hoch) |
| GB2115403B (en) * | 1982-02-20 | 1985-11-27 | Zeiss Stiftung | Optical and opthalmic glass |
| US4444893A (en) * | 1982-06-11 | 1984-04-24 | Schott Glass Technologies, Inc. | Highly refractive, low dispersion, low density optical glass suitable for corrective lenses |
| 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 |
-
1987
- 1987-11-04 FR FR8715278A patent/FR2622569B1/fr not_active Expired - Lifetime
-
1988
- 1988-06-23 US US07/210,427 patent/US4822758A/en not_active Expired - Lifetime
- 1988-11-02 CN CN88107629.5A patent/CN1018540B/zh not_active Expired
- 1988-11-11 IN IN795/MAS/88A patent/IN172070B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2622569A1 (fr) | 1989-05-05 |
| FR2622569B1 (fr) | 1992-07-17 |
| US4822758A (en) | 1989-04-18 |
| CN1018540B (zh) | 1992-10-07 |
| CN1032928A (zh) | 1989-05-17 |
