GB1411766A - Photochromic glasses - Google Patents

Photochromic glasses

Info

Publication number
GB1411766A
GB1411766A GB5721572A GB5721572A GB1411766A GB 1411766 A GB1411766 A GB 1411766A GB 5721572 A GB5721572 A GB 5721572A GB 5721572 A GB5721572 A GB 5721572A GB 1411766 A GB1411766 A GB 1411766A
Authority
GB
United Kingdom
Prior art keywords
glass
photochromic
base
photochromic glasses
glaswebk
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
GB5721572A
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
Jenaer Glaswerk Schott and Gen
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
Priority to DD15613371A priority Critical patent/DD92112A3/xx
Priority to DE19722256775 priority patent/DE2256775C3/en
Priority claimed from DE19722256775 external-priority patent/DE2256775C3/en
Application filed by Jenaer Glaswerk Schott and Gen filed Critical Jenaer Glaswerk Schott and Gen
Priority to FR7244197A priority patent/FR2209728B1/fr
Priority to GB5721572A priority patent/GB1411766A/en
Publication of GB1411766A publication Critical patent/GB1411766A/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
    • C03C4/00—Compositions for glass with special properties
    • C03C4/04—Compositions for glass with special properties for photosensitive glass
    • C03C4/06—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
    • 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
    • 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
    • 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
    • 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
    • C03C3/14—Silica-free oxide glass compositions containing boron

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)

Abstract

1411766 Photochromic glass JENAER GLASWEBK SCHOTT & GEN VEB 12 Dec 1972 57215/72 Heading C1M [Also in Division C4] Photochromic borate or borosilicate glass comprises a base glass consisting of in percentages by weight 5À0-90À0 B 2 O 3 ; 0-70À0 SiO 2 ; 1-25À0 BaO and /or CaO and/or SrO and/or PbO; 0-20À0 Na 2 O and/or K 2 O; 0-15À0 Al 2 O 3 and/or La 2 O 3 ; 0À2-15À0 WO 3 ; 0-1À5 F; in which is incorporated, with respect to the glass base, 0-1À0 CdO; 0À02 CuO and 0À02-1À0 AgX wherein X is chlorine, bromine and/or iodine.
GB5721572A 1971-06-29 1972-12-12 Photochromic glasses Expired GB1411766A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DD15613371A DD92112A3 (en) 1971-06-29 1971-06-29
DE19722256775 DE2256775C3 (en) 1972-11-20 Silver-containing photochromic borate or borosilicate glass that contains both halogens and WO3
FR7244197A FR2209728B1 (en) 1971-06-29 1972-12-12
GB5721572A GB1411766A (en) 1971-06-29 1972-12-12 Photochromic glasses

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DD15613371A DD92112A3 (en) 1971-06-29 1971-06-29
DE19722256775 DE2256775C3 (en) 1972-11-20 Silver-containing photochromic borate or borosilicate glass that contains both halogens and WO3
FR7244197A FR2209728B1 (en) 1971-06-29 1972-12-12
GB5721572A GB1411766A (en) 1971-06-29 1972-12-12 Photochromic glasses

Publications (1)

Publication Number Publication Date
GB1411766A true GB1411766A (en) 1975-10-29

Family

ID=27430198

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5721572A Expired GB1411766A (en) 1971-06-29 1972-12-12 Photochromic glasses

Country Status (3)

Country Link
DD (1) DD92112A3 (en)
FR (1) FR2209728B1 (en)
GB (1) GB1411766A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304584A (en) * 1980-04-28 1981-12-08 Corning Glass Works Method for making polarizing glasses by extrusion
GB2175298A (en) * 1985-05-20 1986-11-26 Central Glass Co Ltd Glass useful as either photosensitive glass or opaline foam glass
EP3177575A4 (en) * 2014-08-05 2018-07-25 Genics Inc. Dissolvable objects
US10845173B2 (en) 2016-02-10 2020-11-24 Genics Inc. Dissolvable projectiles
CN112341003A (en) * 2020-11-26 2021-02-09 中国建材国际工程集团有限公司 Photochromic 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
US4076544A (en) * 1976-07-28 1978-02-28 Corning Glass Works Copper-cadmium-silver photochromic glass

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304584A (en) * 1980-04-28 1981-12-08 Corning Glass Works Method for making polarizing glasses by extrusion
GB2175298A (en) * 1985-05-20 1986-11-26 Central Glass Co Ltd Glass useful as either photosensitive glass or opaline foam glass
US4703019A (en) * 1985-05-20 1987-10-27 Central Glass Company, Limited Glass useful as either photosensitive glass or opaline foam glass
EP3177575A4 (en) * 2014-08-05 2018-07-25 Genics Inc. Dissolvable objects
US11718555B2 (en) 2014-08-05 2023-08-08 1824930 Alberta Ltd. Dissolvable objects
US10845173B2 (en) 2016-02-10 2020-11-24 Genics Inc. Dissolvable projectiles
CN112341003A (en) * 2020-11-26 2021-02-09 中国建材国际工程集团有限公司 Photochromic glass and preparation method thereof

Also Published As

Publication number Publication date
FR2209728B1 (en) 1976-01-30
DE2256775B2 (en) 1975-07-31
DE2256775A1 (en) 1974-06-06
FR2209728A1 (en) 1974-07-05
DD92112A3 (en) 1972-08-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees