BE643613A - - Google Patents

Info

Publication number
BE643613A
BE643613A BE643613DA BE643613A BE 643613 A BE643613 A BE 643613A BE 643613D A BE643613D A BE 643613DA BE 643613 A BE643613 A BE 643613A
Authority
BE
Belgium
Prior art keywords
sep
glass
heat treatment
phototropic
temperature
Prior art date
Application number
Other languages
English (en)
French (fr)
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 claimed from US265150A external-priority patent/US3293052A/en
Application filed filed Critical
Publication of BE643613A publication Critical patent/BE643613A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C4/00Compositions for glass with special properties
    • C03C4/04Compositions for glass with special properties for photosensitive glass
    • C03C4/06Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
    • C03C4/065Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass for silver-halide free photochromic glass
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C4/00Compositions for glass with special properties
    • C03C4/04Compositions for glass with special properties for photosensitive glass
    • C03C4/06Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/20Filters
    • G02B5/22Absorbing filters
    • G02B5/23Photochromic filters

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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Glass Compositions (AREA)
BE643613D 1963-02-13 1964-02-10 BE643613A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25820063A 1963-02-13 1963-02-13
US265150A US3293052A (en) 1963-03-14 1963-03-14 Glass article and method of making it

Publications (1)

Publication Number Publication Date
BE643613A true BE643613A (enrdf_load_stackoverflow) 1964-08-10

Family

ID=26946491

Family Applications (1)

Application Number Title Priority Date Filing Date
BE643613D BE643613A (enrdf_load_stackoverflow) 1963-02-13 1964-02-10

Country Status (2)

Country Link
BE (1) BE643613A (enrdf_load_stackoverflow)
NL (1) NL302764A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL302764A (enrdf_load_stackoverflow)

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