GB797573A - Aluminate glass - Google Patents

Aluminate glass

Info

Publication number
GB797573A
GB797573A GB20722/56A GB2072256A GB797573A GB 797573 A GB797573 A GB 797573A GB 20722/56 A GB20722/56 A GB 20722/56A GB 2072256 A GB2072256 A GB 2072256A GB 797573 A GB797573 A GB 797573A
Authority
GB
United Kingdom
Prior art keywords
per cent
strontium
barium
july
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
Application number
GB20722/56A
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 GB797573A publication Critical patent/GB797573A/en
Expired 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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/125—Silica-free oxide glass compositions containing aluminium as glass former
    • 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
    • C03C3/06—Glass compositions containing silica with more than 90% silica by weight, e.g. quartz
    • 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

Abstract

797,573. Glass compositions. ZEISSSTIFTUNG, C., [trading as JENAER GLASWERK SCHOTT & GEN.]. July 4, 1956 [July 5, 1955], No. 20722/56. Drawings to Specification. Class 56. Glass for optical purposes contains at least 45 per cent of aluminium oxide, 25-45 per cent of calcium oxide and 1-17 per cent of alkali, the calcium oxide being replaceable wholly or in part by the oxides of strontium, barium, magnesium or a mixture of barium and strontium. The balance is formed from the following, in weight per cent, SiO 2 or GeOz, 1-15 ; MgO, 0-5; Sr+BaO, 0-12; ZnO, 0-4; Bi 2 O 3 , LazOs, Ta 2 O 5 or ZrO 2 , 0-5. LiO 2 is preferably used up to 7 per cent. Up to 3 per cent of As 2 O 3 may be added. A number of specific examples are given.
GB20722/56A 1955-07-05 1956-07-04 Aluminate glass Expired GB797573A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE797573X 1955-07-05
DEJ10664A DE965350C (en) 1955-07-05 1955-09-14 Glass for technical, especially optical purposes

Publications (1)

Publication Number Publication Date
GB797573A true GB797573A (en) 1958-07-02

Family

ID=25948568

Family Applications (2)

Application Number Title Priority Date Filing Date
GB20722/56A Expired GB797573A (en) 1955-07-05 1956-07-04 Aluminate glass
GB28042/56A Expired GB801163A (en) 1955-07-05 1956-09-13 Aluminate glass

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB28042/56A Expired GB801163A (en) 1955-07-05 1956-09-13 Aluminate glass

Country Status (4)

Country Link
BE (2) BE551029A (en)
DE (1) DE965350C (en)
FR (2) FR1154730A (en)
GB (2) GB797573A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145115A (en) * 1959-05-15 1964-08-18 Bausch & Lomb Infrared transmitting glasses
US3348917A (en) * 1960-07-22 1967-10-24 Minnesota Mining & Mfg Glass containing dissolved carbon, methods of making and using, and obtaining graphite
CN110407457A (en) * 2019-08-26 2019-11-05 中国建筑材料科学研究总院有限公司 A kind of sight glass and preparation method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338694A (en) * 1965-02-26 1967-08-29 John R Davy Manufacture calcium aluminate optical glass

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145115A (en) * 1959-05-15 1964-08-18 Bausch & Lomb Infrared transmitting glasses
US3348917A (en) * 1960-07-22 1967-10-24 Minnesota Mining & Mfg Glass containing dissolved carbon, methods of making and using, and obtaining graphite
CN110407457A (en) * 2019-08-26 2019-11-05 中国建筑材料科学研究总院有限公司 A kind of sight glass and preparation method thereof

Also Published As

Publication number Publication date
BE551029A (en)
FR1154730A (en) 1958-04-16
BE549189A (en)
DE965350C (en) 1957-06-06
GB801163A (en) 1958-09-10
FR70474E (en) 1959-05-06

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