FR2351920A1 - Perfectionnement au verre photochromique - Google Patents

Perfectionnement au verre photochromique

Info

Publication number
FR2351920A1
FR2351920A1 FR7715346A FR7715346A FR2351920A1 FR 2351920 A1 FR2351920 A1 FR 2351920A1 FR 7715346 A FR7715346 A FR 7715346A FR 7715346 A FR7715346 A FR 7715346A FR 2351920 A1 FR2351920 A1 FR 2351920A1
Authority
FR
France
Prior art keywords
silver
glass
improve stability
compsn
photochromic 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.)
Withdrawn
Application number
FR7715346A
Other languages
English (en)
Inventor
Philip Michael Welch
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.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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 Johnson Matthey PLC filed Critical Johnson Matthey PLC
Publication of FR2351920A1 publication Critical patent/FR2351920A1/fr
Withdrawn legal-status Critical Current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

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)
FR7715346A 1976-05-19 1977-05-18 Perfectionnement au verre photochromique Withdrawn FR2351920A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2068776 1976-05-19
GB3401076 1976-08-16

Publications (1)

Publication Number Publication Date
FR2351920A1 true FR2351920A1 (fr) 1977-12-16

Family

ID=26254826

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7715346A Withdrawn FR2351920A1 (fr) 1976-05-19 1977-05-18 Perfectionnement au verre photochromique

Country Status (5)

Country Link
JP (1) JPS534025A (fr)
BR (1) BR7703237A (fr)
DE (1) DE2722588A1 (fr)
FR (1) FR2351920A1 (fr)
IT (1) IT1082061B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206958C2 (de) * 1982-02-26 1986-09-18 Schott Glaswerke, 6500 Mainz Phototropes Glas mit einem Brechungsindex ≥ 1,59, einer Abbezahl ≥ 44 und einer Dichte ≦ 3,0 g/cm↑3↑

Also Published As

Publication number Publication date
IT1082061B (it) 1985-05-21
BR7703237A (pt) 1978-02-08
JPS534025A (en) 1978-01-14
DE2722588A1 (de) 1977-12-08

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Legal Events

Date Code Title Description
ST Notification of lapse