FR2746094B1 - Verre crown-flint sans plomb - Google Patents

Verre crown-flint sans plomb

Info

Publication number
FR2746094B1
FR2746094B1 FR9701865A FR9701865A FR2746094B1 FR 2746094 B1 FR2746094 B1 FR 2746094B1 FR 9701865 A FR9701865 A FR 9701865A FR 9701865 A FR9701865 A FR 9701865A FR 2746094 B1 FR2746094 B1 FR 2746094B1
Authority
FR
France
Prior art keywords
lead
flint glass
free crown
crown
free
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
FR9701865A
Other languages
English (en)
French (fr)
Other versions
FR2746094A1 (fr
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7788077&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2746094(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of FR2746094A1 publication Critical patent/FR2746094A1/fr
Application granted granted Critical
Publication of FR2746094B1 publication Critical patent/FR2746094B1/fr
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
    • C03C3/076—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
    • 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
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium

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)
FR9701865A 1996-03-13 1997-02-18 Verre crown-flint sans plomb Expired - Fee Related FR2746094B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1996109735 DE19609735C2 (de) 1996-03-13 1996-03-13 Bleifreie Kronflintgläser

Publications (2)

Publication Number Publication Date
FR2746094A1 FR2746094A1 (fr) 1997-09-19
FR2746094B1 true FR2746094B1 (fr) 2000-06-30

Family

ID=7788077

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9701865A Expired - Fee Related FR2746094B1 (fr) 1996-03-13 1997-02-18 Verre crown-flint sans plomb

Country Status (3)

Country Link
JP (1) JP3073453B2 (ja)
DE (1) DE19609735C2 (ja)
FR (1) FR2746094B1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19828992C1 (de) * 1998-06-29 1999-10-07 Schott Glas Bleifreie optische Gläser
DE10133521C1 (de) 2001-07-10 2002-09-05 Schott Glas Bleifreie Optische Gläser
MY162861A (en) 2007-09-24 2017-07-31 Koninl Philips Electronics Nv Method and system for encoding a video data signal, encoded video data signal, method and system for decoding a video data signal

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973350C (de) * 1940-06-10 1960-01-28 Jenaer Glaswerk Schott & Gen Optische Silikatglaeser mit einer Brechungszahl, die, bezogen auf die mittlere Zerstreuung bzw. den ª†-Wert, niedrig ist
DE1050965B (ja) * 1956-09-10 1959-02-19
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
JPH01133956A (ja) * 1987-11-20 1989-05-26 Canon Inc 屈折率分布型レンズ用ガラス組成物
GB2233781A (en) * 1989-07-13 1991-01-16 Pilkington Plc Optical systems
JP2512366B2 (ja) * 1992-03-17 1996-07-03 株式会社オハラ 高分散光学ガラス
US5320985A (en) * 1992-10-01 1994-06-14 Kabushiki Kaisha Ohara Low refractive optical glass of a flint glass type
DE4309701C1 (de) * 1993-03-25 1994-06-30 Schott Glaswerke Bleifreies Kristallglas mit hoher Lichttransmission

Also Published As

Publication number Publication date
JP3073453B2 (ja) 2000-08-07
FR2746094A1 (fr) 1997-09-19
DE19609735C2 (de) 1998-01-29
JPH09255353A (ja) 1997-09-30
DE19609735A1 (de) 1997-09-18

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Legal Events

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

Effective date: 20071030