CA1061618A - Photochromic gradient lenses - Google Patents

Photochromic gradient lenses

Info

Publication number
CA1061618A
CA1061618A CA251,044A CA251044A CA1061618A CA 1061618 A CA1061618 A CA 1061618A CA 251044 A CA251044 A CA 251044A CA 1061618 A CA1061618 A CA 1061618A
Authority
CA
Canada
Prior art keywords
lens
glass
lenses
photochromic
phototropic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA251,044A
Other languages
English (en)
French (fr)
Inventor
David A. Krohn
Emil W. Deeg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
American Optical Corp
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 CA1061618A publication Critical patent/CA1061618A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C4/00Compositions for glass with special properties
    • C03C4/04Compositions for glass with special properties for photosensitive glass
    • C03C4/06Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/10Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/102Photochromic 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)
CA251,044A 1975-10-22 1976-04-26 Photochromic gradient lenses Expired CA1061618A (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
CA1061618A true CA1061618A (en) 1979-09-04

Family

ID=24502936

Family Applications (1)

Application Number Title Priority Date Filing Date
CA251,044A Expired CA1061618A (en) 1975-10-22 1976-04-26 Photochromic gradient lenses

Country Status (13)

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

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 (enrdf_load_html_response) * 1990-04-17 1992-01-09
JP2003231413A (ja) * 2002-07-22 2003-08-19 Akiyoshi Sugimoto 自動車
FR2923917B1 (fr) * 2007-11-16 2010-11-26 Christian Dalloz Sunoptics Nouveau substrat optique transparent,son procede d'obtention et son application comme oculaire

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
SE425032B (sv) 1982-08-23
FR2328668A1 (fr) 1977-05-20
JPS5251412A (en) 1977-04-25
DE2617665C2 (de) 1987-01-22
NL7605399A (nl) 1977-04-26
BR7604007A (pt) 1977-06-28
NL182395B (nl) 1987-10-01
IT1058165B (it) 1982-04-10
BE841167A (fr) 1976-08-16
ES450600A1 (es) 1978-01-16
FR2328668B1 (enrdf_load_html_response) 1979-04-20
GB1548744A (en) 1979-07-18
JPS595538B2 (ja) 1984-02-06
ZA762173B (en) 1977-04-27
SE7604520L (sv) 1977-04-23
DE2617665A1 (de) 1977-04-28
NL182395C (nl) 1988-03-01
MX143311A (es) 1981-04-14

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