BR7410034A - Aperfeicoamento em composicao para vidro oftalmico - Google Patents
Aperfeicoamento em composicao para vidro oftalmicoInfo
- Publication number
- BR7410034A BR7410034A BR10034/74A BR1003474A BR7410034A BR 7410034 A BR7410034 A BR 7410034A BR 10034/74 A BR10034/74 A BR 10034/74A BR 1003474 A BR1003474 A BR 1003474A BR 7410034 A BR7410034 A BR 7410034A
- Authority
- BR
- Brazil
- Prior art keywords
- improvement
- composition
- ophthalmic glass
- ophthalmic
- glass
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
- C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
-
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
-
- 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
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
-
- 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
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
-
- 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
-
- 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)
- Eyeglasses (AREA)
- Surface Treatment Of Glass (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5665673A GB1475500A (en) | 1973-12-06 | 1973-12-06 | Ophthalmic glass compositions |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7410034A true BR7410034A (pt) | 1976-05-25 |
Family
ID=10477187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR10034/74A BR7410034A (pt) | 1973-12-06 | 1974-11-29 | Aperfeicoamento em composicao para vidro oftalmico |
Country Status (7)
Country | Link |
---|---|
US (1) | US3951671A (pt) |
JP (1) | JPS545808B2 (pt) |
BR (1) | BR7410034A (pt) |
DE (1) | DE2457085A1 (pt) |
FR (1) | FR2253720B1 (pt) |
GB (1) | GB1475500A (pt) |
MY (1) | MY7800131A (pt) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5245616A (en) * | 1975-10-08 | 1977-04-11 | Tokyo Shibaura Electric Co | Process for tempering high refractive indexed glass |
US4192689A (en) * | 1978-05-30 | 1980-03-11 | Ppg Industries, Inc. | Ion exchange strengthening of soda-lime-silica glass |
JPS5851900B2 (ja) * | 1978-10-06 | 1983-11-18 | 日本板硝子株式会社 | 高耐水性の光伝送体用ガラス |
JPS605538B2 (ja) * | 1979-11-27 | 1985-02-12 | 日本板硝子株式会社 | セシウム含有光学ガラス |
GB2115403B (en) * | 1982-02-20 | 1985-11-27 | Zeiss Stiftung | Optical and opthalmic glass |
FR2558152B1 (fr) * | 1984-01-13 | 1992-03-27 | Corning Glass Works | Verres a usage ophtalmique de faible densite, absorbant les radiations ultraviolettes et ayant une haute transmission dans le visible et lentilles correctrices constituees de ces verres |
US4746634A (en) * | 1987-05-28 | 1988-05-24 | Corning Glass Works | Solarization-resistant glass microsheet |
FR2728557A1 (fr) | 1994-12-27 | 1996-06-28 | Corning France | Nouveaux verres et lentilles ophtalmiques |
DE19650692C2 (de) * | 1996-12-06 | 1999-01-14 | Schott Glas | Bleifreie Krongläser |
WO1998050315A1 (en) * | 1997-05-07 | 1998-11-12 | Corning Incorporated | Organic lens molds in inorganic glass and novel inorganic glasses |
FR2763061B1 (fr) * | 1997-05-07 | 1999-10-22 | Corning Sa | Verre mineral, moules de lentilles l'incorporant |
DE10149932B4 (de) * | 2001-10-10 | 2006-12-07 | Schott Ag | Zinkoxidhaltiges Borosilicatglas und Verwendungen des Glases |
DE102004027119A1 (de) * | 2003-06-06 | 2004-12-30 | Schott Ag | UV-Strahlung absorbierendes Glas mit geringer Absorption im sichtbaren Bereich, ein Verfahren zu seiner Herstellung sowie dessen Verwendung |
FR2920426B1 (fr) * | 2007-09-03 | 2011-05-06 | Saint Gobain | Substrat en verre a gradient d'indice de refraction et procede de fabrication |
CN109987839A (zh) * | 2019-04-29 | 2019-07-09 | 成都光明光电股份有限公司 | 一种玻璃及玻璃制品 |
CN115072992A (zh) * | 2019-04-29 | 2022-09-20 | 成都光明光电股份有限公司 | 适于化学强化的玻璃和化学强化玻璃 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE549285A (pt) * | 1955-07-06 | |||
US3357876A (en) * | 1965-01-19 | 1967-12-12 | Pittsburgh Plate Glass Co | Method of strengthening a glass article by ion exchange |
GB1054297A (pt) * | 1964-09-18 | |||
US3485702A (en) | 1965-11-23 | 1969-12-23 | Corning Glass Works | Mechanical strengthening of glass by ion exchange |
US3790260A (en) * | 1972-01-03 | 1974-02-05 | Corning Glass Works | High strength ophthalmic lens |
-
1973
- 1973-12-06 GB GB5665673A patent/GB1475500A/en not_active Expired
-
1974
- 1974-11-29 US US05/528,573 patent/US3951671A/en not_active Expired - Lifetime
- 1974-11-29 BR BR10034/74A patent/BR7410034A/pt unknown
- 1974-12-03 DE DE19742457085 patent/DE2457085A1/de not_active Withdrawn
- 1974-12-05 JP JP13894374A patent/JPS545808B2/ja not_active Expired
- 1974-12-05 FR FR7439778A patent/FR2253720B1/fr not_active Expired
-
1978
- 1978-12-31 MY MY1978131A patent/MY7800131A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
JPS545808B2 (pt) | 1979-03-22 |
US3951671A (en) | 1976-04-20 |
FR2253720B1 (pt) | 1979-07-20 |
DE2457085A1 (de) | 1975-06-12 |
JPS5094009A (pt) | 1975-07-26 |
GB1475500A (en) | 1977-06-01 |
MY7800131A (en) | 1978-12-31 |
FR2253720A1 (pt) | 1975-07-04 |
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