BE659801A - - Google Patents

Info

Publication number
BE659801A
BE659801A BE659801A BE659801A BE659801A BE 659801 A BE659801 A BE 659801A BE 659801 A BE659801 A BE 659801A BE 659801 A BE659801 A BE 659801A BE 659801 A BE659801 A BE 659801A
Authority
BE
Belgium
Application number
BE659801A
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 filed Critical
Publication of BE659801A publication Critical patent/BE659801A/xx

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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • 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
    • 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
    • G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Chemistry (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
BE659801A 1964-02-18 1965-02-16 BE659801A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR964157A FR1394163A (fr) 1964-02-18 1964-02-18 Compositions photochromes notamment pour la fabrication de vitrages à transmission variable

Publications (1)

Publication Number Publication Date
BE659801A true BE659801A (zh) 1965-08-17

Family

ID=8823396

Family Applications (1)

Application Number Title Priority Date Filing Date
BE659801A BE659801A (zh) 1964-02-18 1965-02-16

Country Status (7)

Country Link
US (1) US3505352A (zh)
BE (1) BE659801A (zh)
DE (1) DE1286713B (zh)
FR (1) FR1394163A (zh)
GB (1) GB1092124A (zh)
LU (1) LU47994A1 (zh)
NL (1) NL6501950A (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215010A (en) * 1978-09-08 1980-07-29 American Optical Corporation Photochromic compounds
US4342668A (en) * 1978-09-08 1982-08-03 American Optical Corporation Photochromic compounds
US4699473A (en) * 1983-08-08 1987-10-13 American Optical Corporation Trifluoromethyl substituted spirooxazine photochromic dyes
US4784474A (en) * 1984-07-06 1988-11-15 Toray Industries, Inc. Spiro-oxazine compounds and preparation thereof and photochromic shaped article

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1278775A (en) * 1968-07-01 1972-06-21 Agfa Gevaert Light-sensitive photographic material
JPS4945064B1 (zh) * 1969-03-18 1974-12-02
DE3345639A1 (de) * 1983-12-16 1985-07-04 Optische Werke G. Rodenstock, 8000 München Optisches element mit phototropem ueberzug
GB9315584D0 (en) * 1993-07-28 1993-09-08 Mckee Frederick B Improvements in or relating to energy saving windows & cladding
CN109207140A (zh) * 2018-09-10 2019-01-15 苏州健雄职业技术学院 一种萘并螺吡喃类光致变色化合物

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL113671C (zh) * 1959-04-03
NL127064C (zh) * 1959-07-16
NL123451C (zh) * 1959-07-16
BE630549A (zh) * 1961-06-16
US3197475A (en) * 1962-03-12 1965-07-27 Du Pont Certain 2-(o-aminophenyl)-tetrahydrobenzotriazole compounds
US3272646A (en) * 1963-04-16 1966-09-13 American Cyanamid Co Impregnated porous photochromic glass
US3299079A (en) * 1963-08-14 1967-01-17 Polaroid Corp Chelatable spiro [benzopyran-2, 2'-indoline] derivatives
US3290331A (en) * 1964-03-30 1966-12-06 Ncr Co 6'no2, 7'-methoxy indolino-benzospiropyrans
US3331854A (en) * 1964-12-14 1967-07-18 American Cyanamid Co Novel furan and thiophene compounds
US3321491A (en) * 1964-12-14 1967-05-23 American Cyanamid Co Photochromic benzofuran compounds

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215010A (en) * 1978-09-08 1980-07-29 American Optical Corporation Photochromic compounds
US4342668A (en) * 1978-09-08 1982-08-03 American Optical Corporation Photochromic compounds
US4699473A (en) * 1983-08-08 1987-10-13 American Optical Corporation Trifluoromethyl substituted spirooxazine photochromic dyes
US4784474A (en) * 1984-07-06 1988-11-15 Toray Industries, Inc. Spiro-oxazine compounds and preparation thereof and photochromic shaped article

Also Published As

Publication number Publication date
FR1394163A (fr) 1965-04-02
LU47994A1 (zh) 1965-08-17
US3505352A (en) 1970-04-07
NL6501950A (zh) 1965-08-19
DE1286713B (de) 1969-01-09
GB1092124A (en) 1967-11-22

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