FR2253720B1 - - Google Patents

Info

Publication number
FR2253720B1
FR2253720B1 FR7439778A FR7439778A FR2253720B1 FR 2253720 B1 FR2253720 B1 FR 2253720B1 FR 7439778 A FR7439778 A FR 7439778A FR 7439778 A FR7439778 A FR 7439778A FR 2253720 B1 FR2253720 B1 FR 2253720B1
Authority
FR
France
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
Application number
FR7439778A
Other versions
FR2253720A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Publication of FR2253720A1 publication Critical patent/FR2253720A1/fr
Application granted granted Critical
Publication of FR2253720B1 publication Critical patent/FR2253720B1/fr
Expired legal-status Critical Current

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
FR7439778A 1973-12-06 1974-12-05 Expired FR2253720B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5665673A GB1475500A (en) 1973-12-06 1973-12-06 Ophthalmic glass compositions

Publications (2)

Publication Number Publication Date
FR2253720A1 FR2253720A1 (fr) 1975-07-04
FR2253720B1 true FR2253720B1 (fr) 1979-07-20

Family

ID=10477187

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7439778A Expired FR2253720B1 (fr) 1973-12-06 1974-12-05

Country Status (7)

Country Link
US (1) US3951671A (fr)
JP (1) JPS545808B2 (fr)
BR (1) BR7410034A (fr)
DE (1) DE2457085A1 (fr)
FR (1) FR2253720B1 (fr)
GB (1) GB1475500A (fr)
MY (1) MY7800131A (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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
FR2763061B1 (fr) * 1997-05-07 1999-10-22 Corning Sa Verre mineral, moules de lentilles l'incorporant
US6436858B1 (en) 1997-05-07 2002-08-20 Corning S.A. Organic lens molds in inorganic glass and novel inorganic glasses
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
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
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE549285A (fr) * 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 (fr) * 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

Also Published As

Publication number Publication date
FR2253720A1 (fr) 1975-07-04
JPS5094009A (fr) 1975-07-26
DE2457085A1 (de) 1975-06-12
MY7800131A (en) 1978-12-31
US3951671A (en) 1976-04-20
JPS545808B2 (fr) 1979-03-22
GB1475500A (en) 1977-06-01
BR7410034A (pt) 1976-05-25

Similar Documents

Publication Publication Date Title
AU476761B2 (fr)
AU474593B2 (fr)
AU474511B2 (fr)
JPS5328169B2 (fr)
FR2253720B1 (fr)
FR2227109A1 (fr)
AU476714B2 (fr)
FR2227570A1 (fr)
AU476696B2 (fr)
AR199451A1 (fr)
AU477823B2 (fr)
AR195311A1 (fr)
AR195948A1 (fr)
AR196382A1 (fr)
AR197627A1 (fr)
AR193950A1 (fr)
AU476873B1 (fr)
AU477824B2 (fr)
AR196123Q (fr)
AR196212Q (fr)
BG19267A1 (fr)
AU479458A (fr)
BG19004A1 (fr)
BG18947A1 (fr)
BG18901A1 (fr)

Legal Events

Date Code Title Description
JD Different final judgements
ST Notification of lapse