GB2251854B - Ophthalmic glass with high acid resistance - Google Patents

Ophthalmic glass with high acid resistance

Info

Publication number
GB2251854B
GB2251854B GB9200728A GB9200728A GB2251854B GB 2251854 B GB2251854 B GB 2251854B GB 9200728 A GB9200728 A GB 9200728A GB 9200728 A GB9200728 A GB 9200728A GB 2251854 B GB2251854 B GB 2251854B
Authority
GB
United Kingdom
Prior art keywords
acid resistance
high acid
ophthalmic glass
ophthalmic
glass
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
GB9200728A
Other languages
English (en)
Other versions
GB2251854A (en
GB9200728D0 (en
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.)
Carl Zeiss AG
Original Assignee
Carl Zeiss 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 Carl Zeiss AG filed Critical Carl Zeiss AG
Publication of GB9200728D0 publication Critical patent/GB9200728D0/en
Publication of GB2251854A publication Critical patent/GB2251854A/en
Application granted granted Critical
Publication of GB2251854B publication Critical patent/GB2251854B/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
    • C03C3/07—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)
GB9200728A 1991-01-18 1992-01-14 Ophthalmic glass with high acid resistance Expired - Fee Related GB2251854B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914101365 DE4101365C1 (enrdf_load_stackoverflow) 1991-01-18 1991-01-18

Publications (3)

Publication Number Publication Date
GB9200728D0 GB9200728D0 (en) 1992-03-11
GB2251854A GB2251854A (en) 1992-07-22
GB2251854B true GB2251854B (en) 1994-06-29

Family

ID=6423253

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9200728A Expired - Fee Related GB2251854B (en) 1991-01-18 1992-01-14 Ophthalmic glass with high acid resistance

Country Status (3)

Country Link
DE (1) DE4101365C1 (enrdf_load_stackoverflow)
FR (1) FR2671794B1 (enrdf_load_stackoverflow)
GB (1) GB2251854B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4336122C1 (de) * 1993-10-22 1995-04-27 Deutsche Spezialglas Ag Hochbrechendes ophtalmisches Glas und Verwendung des Glases
DE102014109832B4 (de) * 2014-07-14 2017-12-28 Schott Ag Hochbrechende Dünngläser
US10343946B2 (en) 2010-10-26 2019-07-09 Schott Ag Highly refractive thin glasses
US10308545B2 (en) 2010-10-26 2019-06-04 Schott Ag Highly refractive thin glasses

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3121824C2 (de) * 1981-06-02 1984-06-14 Schott Glaswerke, 6500 Mainz Säurefestes, hydrolytisch beständiges optisches und ophthalmisches Glas geringer Dichte
JPS5860640A (ja) * 1981-10-01 1983-04-11 Hoya Corp 光学ガラス
JPS6046945A (ja) * 1983-08-22 1985-03-14 Ohara Inc 光学ガラス

Also Published As

Publication number Publication date
FR2671794A1 (fr) 1992-07-24
FR2671794B1 (fr) 1994-11-25
DE4101365C1 (enrdf_load_stackoverflow) 1992-04-16
GB2251854A (en) 1992-07-22
GB9200728D0 (en) 1992-03-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040114