FR2264785B1 - - Google Patents

Info

Publication number
FR2264785B1
FR2264785B1 FR7507619A FR7507619A FR2264785B1 FR 2264785 B1 FR2264785 B1 FR 2264785B1 FR 7507619 A FR7507619 A FR 7507619A FR 7507619 A FR7507619 A FR 7507619A FR 2264785 B1 FR2264785 B1 FR 2264785B1
Authority
FR
France
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
FR7507619A
Other languages
French (fr)
Other versions
FR2264785A1 (esLanguage
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2264785A1 publication Critical patent/FR2264785A1/fr
Application granted granted Critical
Publication of FR2264785B1 publication Critical patent/FR2264785B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/23—Photochromic filters
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31634—Next to cellulosic

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polarising Elements (AREA)
  • Eyeglasses (AREA)
  • Optical Filters (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
FR7507619A 1974-03-18 1975-03-11 Expired FR2264785B1 (esLanguage)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/451,839 US3964823A (en) 1974-03-18 1974-03-18 Articles employing photochromic materials

Publications (2)

Publication Number Publication Date
FR2264785A1 FR2264785A1 (esLanguage) 1975-10-17
FR2264785B1 true FR2264785B1 (esLanguage) 1980-03-28

Family

ID=23793908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7507619A Expired FR2264785B1 (esLanguage) 1974-03-18 1975-03-11

Country Status (6)

Country Link
US (1) US3964823A (esLanguage)
JP (1) JPS50127885A (esLanguage)
CA (1) CA1033566A (esLanguage)
DE (1) DE2510836A1 (esLanguage)
FR (1) FR2264785B1 (esLanguage)
GB (1) GB1506912A (esLanguage)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1116005A (en) * 1977-06-29 1982-01-12 Dan L. Fanselow Photochromic aziridine recording media
US5213733A (en) * 1991-06-03 1993-05-25 Industrial Technology Research Institute Method of making synthetic fibers containing photochromic pigment
US6172795B1 (en) 1997-05-30 2001-01-09 Cambridge Scientific, Inc. Optical shutter device
US6094290A (en) * 1999-04-22 2000-07-25 Crawford; Christopher L. Light-reactive thermal window

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3436353A (en) * 1959-10-22 1969-04-01 Polacoat Inc Phototropic compositions
US3329502A (en) * 1963-10-01 1967-07-04 American Cyanamid Co Epoxide compounds and photochromic compositions containing the same
US3540793A (en) * 1968-07-03 1970-11-17 Corning Glass Works Photochromic polarizing glasses
US3609165A (en) * 1968-07-19 1971-09-28 Research Corp 1,3-diazabicyclo {8 3.1.0{9 {0 hex-3-enes
DE1932840B2 (de) * 1969-06-28 1971-12-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Datenspeichersystem
US3617114A (en) * 1970-02-24 1971-11-02 Polaroid Corp Pleochroic spectacles

Also Published As

Publication number Publication date
CA1033566A (en) 1978-06-27
GB1506912A (en) 1978-04-12
FR2264785A1 (esLanguage) 1975-10-17
DE2510836A1 (de) 1975-09-25
JPS50127885A (esLanguage) 1975-10-08
US3964823A (en) 1976-06-22

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Legal Events

Date Code Title Description
ST Notification of lapse