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EP1028921A4 - High refractive index glasses, multifocal corrective lenses containing same - Google Patents

High refractive index glasses, multifocal corrective lenses containing same

Info

Publication number
EP1028921A4
EP1028921A4 EP98949600A EP98949600A EP1028921A4 EP 1028921 A4 EP1028921 A4 EP 1028921A4 EP 98949600 A EP98949600 A EP 98949600A EP 98949600 A EP98949600 A EP 98949600A EP 1028921 A4 EP1028921 A4 EP 1028921A4
Authority
EP
European Patent Office
Prior art keywords
refractive index
high refractive
containing same
corrective lenses
lenses containing
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.)
Withdrawn
Application number
EP98949600A
Other languages
German (de)
French (fr)
Other versions
EP1028921A1 (en
Inventor
Marie J Comte
Paulo Marques
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
Application filed by Corning SAS filed Critical Corning SAS
Publication of EP1028921A1 publication Critical patent/EP1028921A1/en
Publication of EP1028921A4 publication Critical patent/EP1028921A4/en
Withdrawn legal-status Critical Current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
    • C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
    • C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
    • 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
    • C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
    • C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
    • C03C3/074—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron containing zinc

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)
EP98949600A 1997-10-10 1998-09-29 High refractive index glasses, multifocal corrective lenses containing same Withdrawn EP1028921A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9712664 1997-10-10
FR9712664A FR2769618B1 (en) 1997-10-10 1997-10-10 HIGH REFRACTIVE INDEX GLASSES, MULTIFOCAL CORRECTIVE LENSES INCORPORATING THE SAME
PCT/US1998/020350 WO1999019266A1 (en) 1997-10-10 1998-09-29 High refractive index glasses, multifocal corrective lenses containing same

Publications (2)

Publication Number Publication Date
EP1028921A1 EP1028921A1 (en) 2000-08-23
EP1028921A4 true EP1028921A4 (en) 2006-04-05

Family

ID=9512066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98949600A Withdrawn EP1028921A4 (en) 1997-10-10 1998-09-29 High refractive index glasses, multifocal corrective lenses containing same

Country Status (6)

Country Link
EP (1) EP1028921A4 (en)
JP (1) JP2001519316A (en)
CN (1) CN1272832A (en)
BR (1) BR9812743A (en)
FR (1) FR2769618B1 (en)
WO (1) WO1999019266A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004519402A (en) 2001-03-13 2004-07-02 コーニング インコーポレイテッド Ophthalmic segment glass with high nD
DK174792B1 (en) * 2001-09-07 2003-11-24 Coloplast As Packaging for an ostomy device
CN101107202B (en) * 2005-01-17 2012-02-15 株式会社小原 Glass
JP7134396B2 (en) * 2017-02-24 2022-09-12 日本電気硝子株式会社 optical glass
WO2018155105A1 (en) * 2017-02-24 2018-08-30 日本電気硝子株式会社 Optical glass

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5284211A (en) * 1975-12-19 1977-07-13 Obara Optical Glass Optical glass
FR2508433A1 (en) * 1981-06-24 1982-12-31 Corning Glass Works OPHTHALMIC LENSES WITH HIGH REFRACTIVE INDEX
FR2531064A1 (en) * 1982-08-02 1984-02-03 Schott Glaswerke HIGHLY ABSORBENT LEAD GLASSES FOR CATHODIC TUBE SCREENS
JPS60221338A (en) * 1984-04-12 1985-11-06 Ohara Inc Optical glass
JPH01308843A (en) * 1988-02-26 1989-12-13 Ohara Inc Optical glass

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6096541A (en) * 1983-10-27 1985-05-30 Hoya Corp Glass for multi-focus eyegalss lens
JPH042628A (en) * 1990-04-19 1992-01-07 Alps Electric Co Ltd Optical glass for pressed lens
US5162826A (en) * 1991-06-17 1992-11-10 Corning Incorporated High index ophthalmic glasses
JP3194835B2 (en) * 1994-06-30 2001-08-06 ホーヤ株式会社 Optical glass

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5284211A (en) * 1975-12-19 1977-07-13 Obara Optical Glass Optical glass
FR2508433A1 (en) * 1981-06-24 1982-12-31 Corning Glass Works OPHTHALMIC LENSES WITH HIGH REFRACTIVE INDEX
FR2531064A1 (en) * 1982-08-02 1984-02-03 Schott Glaswerke HIGHLY ABSORBENT LEAD GLASSES FOR CATHODIC TUBE SCREENS
JPS60221338A (en) * 1984-04-12 1985-11-06 Ohara Inc Optical glass
JPH01308843A (en) * 1988-02-26 1989-12-13 Ohara Inc Optical glass

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 7735, Derwent World Patents Index; Class L01, AN 77-61694Y, XP002068766 *
PATENT ABSTRACTS OF JAPAN vol. 010, no. 090 (C - 337) 8 April 1986 (1986-04-08) *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 100 (C - 0693) 23 February 1990 (1990-02-23) *
See also references of WO9919266A1 *

Also Published As

Publication number Publication date
JP2001519316A (en) 2001-10-23
FR2769618A1 (en) 1999-04-16
WO1999019266A1 (en) 1999-04-22
EP1028921A1 (en) 2000-08-23
CN1272832A (en) 2000-11-08
BR9812743A (en) 2000-08-29
FR2769618B1 (en) 2000-01-21

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Inventor name: MARQUES, PAULO

Inventor name: COMTE, MARIE, J.

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Owner name: CORNING S.A.

A4 Supplementary search report drawn up and despatched

Effective date: 20060220

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Ipc: G02C 7/06 20060101ALI20060214BHEP

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