FR2671793B1 - Verre d'optique et d'ophtalmologie, ayant un indice de refraction nd >= 1,68 et un nombre d'abbe gammad >= 41,6". - Google Patents

Verre d'optique et d'ophtalmologie, ayant un indice de refraction nd >= 1,68 et un nombre d'abbe gammad >= 41,6".

Info

Publication number
FR2671793B1
FR2671793B1 FR9200676A FR9200676A FR2671793B1 FR 2671793 B1 FR2671793 B1 FR 2671793B1 FR 9200676 A FR9200676 A FR 9200676A FR 9200676 A FR9200676 A FR 9200676A FR 2671793 B1 FR2671793 B1 FR 2671793B1
Authority
FR
France
Prior art keywords
gammad
ophthalmological
abbe
glass
optical
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
FR9200676A
Other languages
English (en)
French (fr)
Other versions
FR2671793A1 (fr
Inventor
Danuta Grabowski
Marc Clement
Volkmar Geiler
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.)
Schott AG
Original Assignee
Schott Glaswerke AG
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 Schott Glaswerke AG filed Critical Schott Glaswerke AG
Publication of FR2671793A1 publication Critical patent/FR2671793A1/fr
Application granted granted Critical
Publication of FR2671793B1 publication Critical patent/FR2671793B1/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
    • C03C3/062—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
    • 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

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)
FR9200676A 1991-01-23 1992-01-22 Verre d'optique et d'ophtalmologie, ayant un indice de refraction nd >= 1,68 et un nombre d'abbe gammad >= 41,6". Expired - Fee Related FR2671793B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4101793 1991-01-23
DE19914136975 DE4136975A1 (de) 1991-01-23 1991-11-11 Optisches und ophtalmisches glas mit einem brechwert nd >= 1,68 und einer abbezahl (ny)(pfeil abwaerts)d(pfeil abwaerts) >= 41,6

Publications (2)

Publication Number Publication Date
FR2671793A1 FR2671793A1 (fr) 1992-07-24
FR2671793B1 true FR2671793B1 (fr) 1995-03-17

Family

ID=25900420

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9200676A Expired - Fee Related FR2671793B1 (fr) 1991-01-23 1992-01-22 Verre d'optique et d'ophtalmologie, ayant un indice de refraction nd >= 1,68 et un nombre d'abbe gammad >= 41,6".

Country Status (3)

Country Link
DE (1) DE4136975A1 (enrdf_load_stackoverflow)
FR (1) FR2671793B1 (enrdf_load_stackoverflow)
GB (1) GB2252101B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2872899B2 (ja) * 1993-11-26 1999-03-24 株式会社オハラ 光学ガラス
US6413894B1 (en) * 1998-04-30 2002-07-02 Hoya Corporation Optical glass and optical product
FR2789071B1 (fr) * 1999-02-03 2002-03-22 Corning Sa VERRE MINERAL (n#1,7), AVANTAGEUSEMENT RENFORCE PAR ECHANGE IONIQUE; LENTILLES OPHTALMIQUES EN LEDIT VERRE
CN107001122A (zh) * 2014-12-11 2017-08-01 日本电气硝子株式会社 创伤治疗用玻璃组合物、创伤覆盖材料及其制造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3026605C2 (de) * 1980-07-14 1983-07-07 Schott Glaswerke, 6500 Mainz Säurefestes, hydrolytisch beständiges optisches und ophthalmisches Borosilikat-Glas geringer Dichte
BR8605356A (pt) * 1985-11-29 1987-08-04 Corning Glass Works Vidro para aplicacoes oticas e/ou oftalmicas
ES2043829T3 (es) * 1987-08-14 1994-01-01 Corning Glass Works Vidrios de baja densidad, alto indice y quimicamente durables.

Also Published As

Publication number Publication date
DE4136975A1 (de) 1992-07-30
GB9200856D0 (en) 1992-03-11
DE4136975C2 (enrdf_load_stackoverflow) 1993-03-04
GB2252101A (en) 1992-07-29
GB2252101B (en) 1994-06-29
FR2671793A1 (fr) 1992-07-24

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Legal Events

Date Code Title Description
ST Notification of lapse