BR7604007A - IMPROVEMENT IN GLASS ARTICLES WITH LOCAL PROGRESSIVE VARIATION IN PHOTOTROPIC OR PHOTOCHROMIC BEHAVIOR AND IN PROCESS TO MAKE GLASS LENSES OF OPHTHALMIC QUALITY - Google Patents

IMPROVEMENT IN GLASS ARTICLES WITH LOCAL PROGRESSIVE VARIATION IN PHOTOTROPIC OR PHOTOCHROMIC BEHAVIOR AND IN PROCESS TO MAKE GLASS LENSES OF OPHTHALMIC QUALITY

Info

Publication number
BR7604007A
BR7604007A BR7604007A BR7604007A BR7604007A BR 7604007 A BR7604007 A BR 7604007A BR 7604007 A BR7604007 A BR 7604007A BR 7604007 A BR7604007 A BR 7604007A BR 7604007 A BR7604007 A BR 7604007A
Authority
BR
Brazil
Prior art keywords
phototropic
improvement
progressive variation
photochromic behavior
local progressive
Prior art date
Application number
BR7604007A
Other languages
Portuguese (pt)
Inventor
D Krohn
E Deeg
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of BR7604007A publication Critical patent/BR7604007A/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

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (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)
BR7604007A 1975-10-22 1976-06-22 IMPROVEMENT IN GLASS ARTICLES WITH LOCAL PROGRESSIVE VARIATION IN PHOTOTROPIC OR PHOTOCHROMIC BEHAVIOR AND IN PROCESS TO MAKE GLASS LENSES OF OPHTHALMIC QUALITY BR7604007A (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
BR7604007A true BR7604007A (en) 1977-06-28

Family

ID=24502936

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7604007A BR7604007A (en) 1975-10-22 1976-06-22 IMPROVEMENT IN GLASS ARTICLES WITH LOCAL PROGRESSIVE VARIATION IN PHOTOTROPIC OR PHOTOCHROMIC BEHAVIOR AND IN PROCESS TO MAKE GLASS LENSES OF OPHTHALMIC QUALITY

Country Status (13)

Country Link
JP (1) JPS595538B2 (en)
BE (1) BE841167A (en)
BR (1) BR7604007A (en)
CA (1) CA1061618A (en)
DE (1) DE2617665A1 (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
DE2617665A1 (en) 1977-04-28
MX143311A (en) 1981-04-14
GB1548744A (en) 1979-07-18
JPS5251412A (en) 1977-04-25
FR2328668B1 (en) 1979-04-20
DE2617665C2 (en) 1987-01-22
ES450600A1 (en) 1978-01-16
JPS595538B2 (en) 1984-02-06
IT1058165B (en) 1982-04-10
BE841167A (en) 1976-08-16
SE7604520L (en) 1977-04-23
CA1061618A (en) 1979-09-04
SE425032B (en) 1982-08-23
ZA762173B (en) 1977-04-27
NL7605399A (en) 1977-04-26
NL182395B (en) 1987-10-01
NL182395C (en) 1988-03-01

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