FR2758814B1 - VERY HIGH REFRACTIVE INDEX GLASSES - Google Patents

VERY HIGH REFRACTIVE INDEX GLASSES

Info

Publication number
FR2758814B1
FR2758814B1 FR9700950A FR9700950A FR2758814B1 FR 2758814 B1 FR2758814 B1 FR 2758814B1 FR 9700950 A FR9700950 A FR 9700950A FR 9700950 A FR9700950 A FR 9700950A FR 2758814 B1 FR2758814 B1 FR 2758814B1
Authority
FR
France
Prior art keywords
refractive index
high refractive
index glasses
glasses
refractive
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
Application number
FR9700950A
Other languages
French (fr)
Other versions
FR2758814A1 (en
Inventor
Marie Jacqueline Monique Comte
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.)
Corning SAS
Original Assignee
Corning SAS
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
Priority to FR9700950A priority Critical patent/FR2758814B1/en
Application filed by Corning SAS filed Critical Corning SAS
Priority to JP53223898A priority patent/JP4672819B2/en
Priority to DE69823017T priority patent/DE69823017T2/en
Priority to PCT/US1998/001589 priority patent/WO1998032706A1/en
Priority to EP98904718A priority patent/EP0971861B1/en
Priority to US09/341,837 priority patent/US6121176A/en
Priority to BR9808614-6A priority patent/BR9808614A/en
Priority to CN98802074A priority patent/CN1101345C/en
Publication of FR2758814A1 publication Critical patent/FR2758814A1/en
Application granted granted Critical
Publication of FR2758814B1 publication Critical patent/FR2758814B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
FR9700950A 1997-01-29 1997-01-29 VERY HIGH REFRACTIVE INDEX GLASSES Expired - Fee Related FR2758814B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR9700950A FR2758814B1 (en) 1997-01-29 1997-01-29 VERY HIGH REFRACTIVE INDEX GLASSES
DE69823017T DE69823017T2 (en) 1997-01-29 1998-01-27 Lenses with a very high refractive index
PCT/US1998/001589 WO1998032706A1 (en) 1997-01-29 1998-01-27 Glasses with very high refractive index
EP98904718A EP0971861B1 (en) 1997-01-29 1998-01-27 Glasses with very high refractive index
JP53223898A JP4672819B2 (en) 1997-01-29 1998-01-27 Very high refractive index glass
US09/341,837 US6121176A (en) 1997-01-29 1998-01-27 Glasses with very high refractive index
BR9808614-6A BR9808614A (en) 1997-01-29 1998-01-27 Lenses with very high refractive index.
CN98802074A CN1101345C (en) 1997-01-29 1998-01-27 Glasses with very high refractive index

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9700950A FR2758814B1 (en) 1997-01-29 1997-01-29 VERY HIGH REFRACTIVE INDEX GLASSES

Publications (2)

Publication Number Publication Date
FR2758814A1 FR2758814A1 (en) 1998-07-31
FR2758814B1 true FR2758814B1 (en) 1999-04-23

Family

ID=9503083

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9700950A Expired - Fee Related FR2758814B1 (en) 1997-01-29 1997-01-29 VERY HIGH REFRACTIVE INDEX GLASSES

Country Status (1)

Country Link
FR (1) FR2758814B1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3201344C2 (en) * 1982-01-18 1984-02-16 Schott Glaswerke, 6500 Mainz High refractive index optical glasses in the system SiO 2 -B 2 O 3 -Alkalioxid-Erdalkaloxid-La 2 O 3 -ZrO 2 -TiO 5 2-2 -Nb with refractive indices of 1.79 - 1.82, Abbezahlen? 32 and densities ≦ 4.0
DE3201346C2 (en) * 1982-01-18 1986-03-13 Schott Glaswerke, 6500 Mainz Highly refractive optical glasses with refractive indices of 1.84 - 1.87 and Abbe numbers of 30 - 33 in the system SiO 2 -B 2 O 3 -Alkalioxid-Erdalkalioxid / ZnO-PbO-La 2 O 3 ; -ZrO 2 -TiO 2 -Nb 2 O 5
JPS60221338A (en) * 1984-04-12 1985-11-06 Ohara Inc Optical glass
JPS61168551A (en) * 1985-01-22 1986-07-30 Nippon Kogaku Kk <Nikon> Glass for glasses having high refractive index
JP2509334B2 (en) * 1989-05-31 1996-06-19 ホーヤ株式会社 Optical glass
FR2690436B1 (en) * 1992-04-22 1995-02-03 Corning France Glasses with very high refractive index and low density.
DE4242859C2 (en) * 1992-08-03 1994-08-25 Schott Glaswerke High-refraction ophthalmic and optical lightweight glass

Also Published As

Publication number Publication date
FR2758814A1 (en) 1998-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse