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BE841167A - PHOTOCHROMIC LENSES WITH PHOTOCHROMIC BEHAVIOR GRADIENT - Google Patents

PHOTOCHROMIC LENSES WITH PHOTOCHROMIC BEHAVIOR GRADIENT

Info

Publication number
BE841167A
BE841167A BE166487A BE166487A BE841167A BE 841167 A BE841167 A BE 841167A BE 166487 A BE166487 A BE 166487A BE 166487 A BE166487 A BE 166487A BE 841167 A BE841167 A BE 841167A
Authority
BE
Belgium
Prior art keywords
photochromic
lenses
gradient
behavior
behavior gradient
Prior art date
Application number
BE166487A
Other languages
French (fr)
Inventor
D A Krohn
E W Deeg
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 filed Critical
Publication of BE841167A publication Critical patent/BE841167A/en

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
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/102—Photochromic filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Eyeglasses (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Surface Treatment Of Glass (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
BE166487A 1975-10-22 1976-04-27 PHOTOCHROMIC LENSES WITH PHOTOCHROMIC BEHAVIOR GRADIENT BE841167A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62468875A 1975-10-22 1975-10-22

Publications (1)

Publication Number Publication Date
BE841167A true BE841167A (en) 1976-08-16

Family

ID=24502936

Family Applications (1)

Application Number Title Priority Date Filing Date
BE166487A BE841167A (en) 1975-10-22 1976-04-27 PHOTOCHROMIC LENSES WITH PHOTOCHROMIC BEHAVIOR GRADIENT

Country Status (13)

Country Link
JP (1) JPS595538B2 (en)
BE (1) BE841167A (en)
BR (1) BR7604007A (en)
CA (1) CA1061618A (en)
DE (1) DE2617665C2 (en)
ES (1) ES450600A1 (en)
FR (1) FR2328668A1 (en)
GB (1) GB1548744A (en)
IT (1) IT1058165B (en)
MX (1) MX143311A (en)
NL (1) NL182395C (en)
SE (1) SE425032B (en)
ZA (1) ZA762173B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160655A (en) * 1977-12-19 1979-07-10 Corning Glass Works Process for making gradient photochromic glass articles
JPH041837U (en) * 1990-04-17 1992-01-09
JP2003231413A (en) * 2002-07-22 2003-08-19 Akiyoshi Sugimoto Car
FR2923917B1 (en) * 2007-11-16 2010-11-26 Christian Dalloz Sunoptics NOVEL TRANSPARENT OPTICAL SUBSTRATE, ITS OBTAINING METHOD AND ITS APPLICATION AS EYE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2770922A (en) * 1952-05-19 1956-11-20 Pittsburgh Plate Glass Co Radiation colorable chromium glass
US3419370A (en) * 1965-11-22 1968-12-31 Corning Glass Works Method of producing a photochromic glass and resulting article

Also Published As

Publication number Publication date
FR2328668A1 (en) 1977-05-20
SE425032B (en) 1982-08-23
DE2617665C2 (en) 1987-01-22
SE7604520L (en) 1977-04-23
NL182395C (en) 1988-03-01
ZA762173B (en) 1977-04-27
GB1548744A (en) 1979-07-18
JPS5251412A (en) 1977-04-25
NL182395B (en) 1987-10-01
ES450600A1 (en) 1978-01-16
FR2328668B1 (en) 1979-04-20
CA1061618A (en) 1979-09-04
BR7604007A (en) 1977-06-28
NL7605399A (en) 1977-04-26
JPS595538B2 (en) 1984-02-06
MX143311A (en) 1981-04-14
DE2617665A1 (en) 1977-04-28
IT1058165B (en) 1982-04-10

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: AO CORP.

Effective date: 19880430