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)
  • Developing Agents For Electrophotography (AREA)
  • Glass Compositions (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 (6)

* 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
GB9225346D0 (en) * 1992-12-03 1993-01-27 Pilkington Plc Photochromic compounds
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
CN108367965A (zh) 2015-12-17 2018-08-03 康宁股份有限公司 具有快速扩散性的可进行离子交换的玻璃
CN120794328B (zh) * 2025-08-22 2026-03-27 上海大学 一种高韧性的磷硅酸盐玻璃及其低碳制备方法

Also Published As

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

Similar Documents

Publication Publication Date Title
AR212752A1 (es) Vidrios fotocromicos
FR2344043A1 (fr) Lentille ophtalmique progressive
SE412634B (sv) Ljusramp
BE848780A (fr) Verres colores photosensibles,
NL7606897A (nl) Antracylkinen en optisch atwieve antracycli- nonen.
IT1114441B (it) Analizzatore ottico
SE427869B (sv) Saniter avstengningsventil
SE7705837L (sv) Optisk partikelreknare
SE7707927L (sv) Optisk ledare
SE415212B (sv) Optisk anordning
IT1085591B (it) Dispositivo ottico integrato
NL7702711A (nl) Kristalfilter.
IT1072826B (it) Occhiali
AT367519B (de) Jalousieklappe
AR211949A1 (es) Vidrios fotocromicos
NL7713144A (nl) Lensmeter.
AU505127B2 (en) Photochromic gradient lens
BR7707948A (pt) Binoculo
NL7701121A (nl) Optische inrichting.
BE857231A (fr) Verre photochromique cuivre-cadmium-argent
SE433983B (sv) Optisk metronom
AR214873A1 (es) Vidrios fotocromicos
IT1077159B (it) Ricevitore ottico
BE841167A (fr) Verres photochromiques a gradient de comportement photochromique
FR2419916B1 (fr) Nouveaux verres photochromiques

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: PILKINGTON BROTHERS LTD

Effective date: 19850128