FR2321460B1 - - Google Patents

Info

Publication number
FR2321460B1
FR2321460B1 FR7624614A FR7624614A FR2321460B1 FR 2321460 B1 FR2321460 B1 FR 2321460B1 FR 7624614 A FR7624614 A FR 7624614A FR 7624614 A FR7624614 A FR 7624614A FR 2321460 B1 FR2321460 B1 FR 2321460B1
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
FR7624614A
Other versions
FR2321460A1 (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.)
American Optical Corp
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of FR2321460A1 publication Critical patent/FR2321460A1/fr
Application granted granted Critical
Publication of FR2321460B1 publication Critical patent/FR2321460B1/fr
Granted 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
    • 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
FR7624614A 1975-08-20 1976-08-12 Lentille ophtalmique a resistance elevee Granted FR2321460A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/606,033 US4012131A (en) 1975-08-20 1975-08-20 High strength ophthalmic lens

Publications (2)

Publication Number Publication Date
FR2321460A1 FR2321460A1 (fr) 1977-03-18
FR2321460B1 true FR2321460B1 (fr) 1982-06-18

Family

ID=24426232

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624614A Granted FR2321460A1 (fr) 1975-08-20 1976-08-12 Lentille ophtalmique a resistance elevee

Country Status (6)

Country Link
US (1) US4012131A (fr)
JP (1) JPS5226238A (fr)
CA (1) CA1083820A (fr)
DE (1) DE2635140C2 (fr)
FR (1) FR2321460A1 (fr)
GB (2) GB1539951A (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4192689A (en) * 1978-05-30 1980-03-11 Ppg Industries, Inc. Ion exchange strengthening of soda-lime-silica glass
US4297141A (en) * 1978-09-05 1981-10-27 Sumita Optical Glass Manufacturing Co., Ltd. Optical glass for optical paths
JPS5918131A (ja) * 1984-01-27 1984-01-30 Nippon Kogaku Kk <Nikon> 眼鏡レンズ用軽量ガラス
US4665050A (en) * 1984-08-13 1987-05-12 Pall Corporation Self-supporting structures containing immobilized inorganic sorbent particles and method for forming same
US4872896A (en) * 1988-05-27 1989-10-10 Alfred University Process for strengthening glass
US5039631A (en) * 1990-01-11 1991-08-13 Schott Glass Technologies, Inc. Strengthenable, high non-nd lanthanoid-containing glasses
US5077240A (en) * 1990-01-11 1991-12-31 Schott Glass Technologies, Inc. Strengthenable, high neodymium-containing glasses
US5059561A (en) * 1990-03-16 1991-10-22 Schott Glass Technologies, Inc. UV attenuated colored glasses
CZ278892B6 (en) * 1991-05-08 1994-08-17 Vysoka Skola Chem Tech Lead-free crystal glass
DK0564802T3 (da) * 1992-04-10 1997-03-10 Schott Glaswerke Bly- og bariumfrit krystalglas med høj lystransmission
US5714422A (en) * 1994-09-16 1998-02-03 Favrot; Guy A. Transparent glass
FR2728557A1 (fr) * 1994-12-27 1996-06-28 Corning France Nouveaux verres et lentilles ophtalmiques
GB2299991B (en) * 1995-04-20 1998-09-09 Ag Technology Corp Glass substrate for magnetic disk
DE19650692C2 (de) * 1996-12-06 1999-01-14 Schott Glas Bleifreie Krongläser
FR2856055B1 (fr) * 2003-06-11 2007-06-08 Saint Gobain Vetrotex Fils de verre aptes a renforcer des matieres organiques et/ou inorganiques, composites les renfermant et composition utilisee
FR2879591B1 (fr) * 2004-12-16 2007-02-09 Saint Gobain Vetrotex Fils de verre aptes a renforcer des matieres organiques et/ou inorganiques
US8586491B2 (en) 2005-11-04 2013-11-19 Ocv Intellectual Capital, Llc Composition for high performance glass, high performance glass fibers and articles therefrom
US7799713B2 (en) * 2005-11-04 2010-09-21 Ocv Intellectual Capital, Llc Composition for high performance glass, high performance glass fibers and articles therefrom
US9187361B2 (en) * 2005-11-04 2015-11-17 Ocv Intellectual Capital, Llc Method of manufacturing S-glass fibers in a direct melt operation and products formed there from
US7823417B2 (en) * 2005-11-04 2010-11-02 Ocv Intellectual Capital, Llc Method of manufacturing high performance glass fibers in a refractory lined melter and fiber formed thereby
US9656903B2 (en) * 2005-11-04 2017-05-23 Ocv Intellectual Capital, Llc Method of manufacturing high strength glass fibers in a direct melt operation and products formed there from
US8338319B2 (en) 2008-12-22 2012-12-25 Ocv Intellectual Capital, Llc Composition for high performance glass fibers and fibers formed therewith
US8252707B2 (en) * 2008-12-24 2012-08-28 Ocv Intellectual Capital, Llc Composition for high performance glass fibers and fibers formed therewith
US8873028B2 (en) * 2010-08-26 2014-10-28 Apple Inc. Non-destructive stress profile determination in chemically tempered glass
TW201228952A (en) * 2010-12-10 2012-07-16 Asahi Glass Co Ltd Process for manufactuing chemically strengthened glass
US10407339B2 (en) * 2015-02-26 2019-09-10 Corning Incorporated Ion exchangeable soft glasses for three-dimensional shapes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE638146A (fr) * 1962-10-04
US3357876A (en) * 1965-01-19 1967-12-12 Pittsburgh Plate Glass Co Method of strengthening a glass article by ion exchange
US3477834A (en) * 1968-05-17 1969-11-11 Ppg Industries Inc Method for strengthening glass
GB1286516A (en) * 1968-12-10 1972-08-23 Brockway Glass Co Inc Method of strengthening glass and increasing the scratch resistance of the surface thereof
US3697242A (en) * 1969-03-13 1972-10-10 Anchor Hocking Corp Strengthening borosilicate glass by crowding surface layer with lioh and/or koh
US3741739A (en) * 1970-07-07 1973-06-26 Owens Illinois Inc Method of strengthening glass
US3790260A (en) * 1972-01-03 1974-02-05 Corning Glass Works High strength ophthalmic lens

Also Published As

Publication number Publication date
CA1083820A (fr) 1980-08-19
GB1539951A (en) 1979-02-07
FR2321460A1 (fr) 1977-03-18
DE2635140C2 (de) 1986-11-27
US4012131A (en) 1977-03-15
JPS5226238A (en) 1977-02-26
DE2635140A1 (de) 1977-03-03
GB1539952A (en) 1979-02-07

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse