IT1058165B - IMPROVEMENT IN PHOTOCROMIC OR PHOTOTROPIC LENSES AND PROCEDURE FOR THEIR MANUFACTURE - Google Patents

IMPROVEMENT IN PHOTOCROMIC OR PHOTOTROPIC LENSES AND PROCEDURE FOR THEIR MANUFACTURE

Info

Publication number
IT1058165B
IT1058165B IT49092/76A IT4909276A IT1058165B IT 1058165 B IT1058165 B IT 1058165B IT 49092/76 A IT49092/76 A IT 49092/76A IT 4909276 A IT4909276 A IT 4909276A IT 1058165 B IT1058165 B IT 1058165B
Authority
IT
Italy
Prior art keywords
photocromic
improvement
procedure
manufacture
phototropic
Prior art date
Application number
IT49092/76A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1058165B publication Critical patent/IT1058165B/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)
IT49092/76A 1975-10-22 1976-04-20 IMPROVEMENT IN PHOTOCROMIC OR PHOTOTROPIC LENSES AND PROCEDURE FOR THEIR MANUFACTURE IT1058165B (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
IT1058165B true IT1058165B (en) 1982-04-10

Family

ID=24502936

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49092/76A IT1058165B (en) 1975-10-22 1976-04-20 IMPROVEMENT IN PHOTOCROMIC OR PHOTOTROPIC LENSES AND PROCEDURE FOR THEIR MANUFACTURE

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
NL182395B (en) 1987-10-01
NL182395C (en) 1988-03-01
BR7604007A (en) 1977-06-28
FR2328668A1 (en) 1977-05-20
DE2617665C2 (en) 1987-01-22
CA1061618A (en) 1979-09-04
ZA762173B (en) 1977-04-27
SE425032B (en) 1982-08-23
MX143311A (en) 1981-04-14
JPS5251412A (en) 1977-04-25
BE841167A (en) 1976-08-16
SE7604520L (en) 1977-04-23
FR2328668B1 (en) 1979-04-20
JPS595538B2 (en) 1984-02-06
GB1548744A (en) 1979-07-18
DE2617665A1 (en) 1977-04-28
ES450600A1 (en) 1978-01-16
NL7605399A (en) 1977-04-26

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