DE2617665C2 - - Google Patents

Info

Publication number
DE2617665C2
DE2617665C2 DE2617665A DE2617665A DE2617665C2 DE 2617665 C2 DE2617665 C2 DE 2617665C2 DE 2617665 A DE2617665 A DE 2617665A DE 2617665 A DE2617665 A DE 2617665A DE 2617665 C2 DE2617665 C2 DE 2617665C2
Authority
DE
Germany
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
DE2617665A
Other languages
German (de)
Other versions
DE2617665A1 (en
Inventor
David Arnold Southbridge Mass. Us Krohn
Emil Wolfgang Woodstock Conn. Us 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.)
AO INC., 07950 SOUTHBRIDGE, MASS., US
Original Assignee
AO Inc SOUTHBRIDGE MASS US
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 AO Inc SOUTHBRIDGE MASS US filed Critical AO Inc SOUTHBRIDGE MASS US
Publication of DE2617665A1 publication Critical patent/DE2617665A1/en
Application granted granted Critical
Publication of DE2617665C2 publication Critical patent/DE2617665C2/de
Granted legal-status Critical Current

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)
DE19762617665 1975-10-22 1976-04-22 LENSES WITH PHOTOCHROME GRADIENTS Granted DE2617665A1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE2617665A1 DE2617665A1 (en) 1977-04-28
DE2617665C2 true DE2617665C2 (en) 1987-01-22

Family

ID=24502936

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762617665 Granted DE2617665A1 (en) 1975-10-22 1976-04-22 LENSES WITH PHOTOCHROME GRADIENTS

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
BR7604007A (en) 1977-06-28
JPS5251412A (en) 1977-04-25
FR2328668B1 (en) 1979-04-20
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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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: DIEHL, H., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 800

8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: AO INC., 07950 SOUTHBRIDGE, MASS., US

8128 New person/name/address of the agent

Representative=s name: DIEHL, H., DIPL.-PHYS. DR.RER.NAT. KRESSIN, H., DI

8128 New person/name/address of the agent

Representative=s name: DIEHL, H., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 800

Q176 The application caused the suspense of an application

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D2 Grant after examination
8363 Opposition against the patent
Q176 The application caused the suspense of an application

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8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee