BE850874A - Perfectionnement aux verres photochromiques - Google Patents

Perfectionnement aux verres photochromiques

Info

Publication number
BE850874A
BE850874A BE174483A BE174483A BE850874A BE 850874 A BE850874 A BE 850874A BE 174483 A BE174483 A BE 174483A BE 174483 A BE174483 A BE 174483A BE 850874 A BE850874 A BE 850874A
Authority
BE
Belgium
Prior art keywords
perfection
photochromic lenses
photochromic
lenses
Prior art date
Application number
BE174483A
Other languages
English (en)
Original Assignee
Pilkington Brothers Ltd
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 Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Publication of BE850874A publication Critical patent/BE850874A/fr

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
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
    • C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions

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)
  • Developing Agents For Electrophotography (AREA)
BE174483A 1976-01-30 1977-01-28 Perfectionnement aux verres photochromiques BE850874A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3814/76A GB1515642A (en) 1976-01-30 1976-01-30 Photochromic glasses

Publications (1)

Publication Number Publication Date
BE850874A true BE850874A (fr) 1977-07-28

Family

ID=9765411

Family Applications (1)

Application Number Title Priority Date Filing Date
BE174483A BE850874A (fr) 1976-01-30 1977-01-28 Perfectionnement aux verres photochromiques

Country Status (5)

Country Link
BE (1) BE850874A (fr)
GB (1) GB1515642A (fr)
MY (1) MY8000111A (fr)
PL (1) PL111677B1 (fr)
ZA (1) ZA77516B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8004828A (pt) 1979-08-09 1981-02-10 Pilkington Brothers Ltd Processo para produzir um vidro fotocromico e vidro fotocromico obtido
GB9225348D0 (en) * 1992-12-03 1993-01-27 Pilkington Plc Bridged photochromics
GB9225347D0 (en) * 1992-12-03 1993-01-27 Pilkington Plc Photo reactive material
GB9225346D0 (en) * 1992-12-03 1993-01-27 Pilkington Plc Photochromic compounds
KR20180095559A (ko) 2015-12-17 2018-08-27 코닝 인코포레이티드 빠른 확산을 갖는 이온 교환 가능한 유리

Also Published As

Publication number Publication date
MY8000111A (en) 1980-12-31
PL111677B1 (en) 1980-09-30
GB1515642A (en) 1978-06-28
ZA77516B (en) 1978-09-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: PILKINGTON BROTHERS LTD

Effective date: 19850128