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

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

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 (enrdf_load_html_response) 1965-08-17

Family

ID=8823396

Family Applications (1)

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

Country Status (7)

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

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 (enrdf_load_html_response) * 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
NL250081A (enrdf_load_html_response) * 1959-04-03
NL253899A (enrdf_load_html_response) * 1959-07-16
NL127064C (enrdf_load_html_response) * 1959-07-16
BE630549A (enrdf_load_html_response) * 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
US3321491A (en) * 1964-12-14 1967-05-23 American Cyanamid Co Photochromic benzofuran compounds
US3331854A (en) * 1964-12-14 1967-07-18 American Cyanamid Co Novel furan and thiophene 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
NL6501950A (enrdf_load_html_response) 1965-08-19
DE1286713B (de) 1969-01-09
GB1092124A (en) 1967-11-22
US3505352A (en) 1970-04-07
LU47994A1 (enrdf_load_html_response) 1965-08-17
FR1394163A (fr) 1965-04-02

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