BE464880A - - Google Patents

Info

Publication number
BE464880A
BE464880A BE464880DA BE464880A BE 464880 A BE464880 A BE 464880A BE 464880D A BE464880D A BE 464880DA BE 464880 A BE464880 A BE 464880A
Authority
BE
Belgium
Application number
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.)
Publication of BE464880A publication Critical patent/BE464880A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/12—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being branched "branched" means that the substituent on the polymethine chain forms a new conjugated system, e.g. most trinuclear cyanine dyes
    • 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
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/83—Organic dyestuffs therefor
    • 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
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/83—Organic dyestuffs therefor
    • G03C1/832—Methine or polymethine dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
BE464880D 1939-03-07 BE464880A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7384/39A GB527627A (en) 1939-03-07 1939-03-07 Improvements in photographic emulsions and manufacture of dyes therefor

Publications (1)

Publication Number Publication Date
BE464880A true BE464880A (xx)

Family

ID=9832090

Family Applications (1)

Application Number Title Priority Date Filing Date
BE464880D BE464880A (xx) 1939-03-07

Country Status (4)

Country Link
US (1) US2282115A (xx)
BE (1) BE464880A (xx)
FR (1) FR867415A (xx)
GB (1) GB527627A (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427177A (en) * 1944-08-16 1947-09-09 Gen Aniline & Film Corp Sensitizing silver halide emulsions
US2478367A (en) * 1944-11-11 1949-08-09 Eastman Kodak Co N, n'-alkylenecyanine dyes
BE462493A (xx) * 1945-01-19
US2450390A (en) * 1945-01-19 1948-09-28 Gen Aniline & Film Corp Photographic emulsions containing trinuclear iminol cyanine dyes
GB607918A (en) * 1946-03-01 1948-09-07 John David Kendall Improvements in or relating to the production of dyestuffs
US2461137A (en) * 1946-09-04 1949-02-08 Eastman Kodak Co Photographic emulsions sensitized with n, n-alkylenecyanine dyes
BE509181A (xx) * 1951-02-12
FR2454122A1 (fr) * 1978-09-01 1980-11-07 Ciba Geigy Ag Matiere photographique directement positive
JPS5616557A (en) * 1979-07-17 1981-02-17 Ciba Geigy Ag Novel trinuclear methyne dye and direct positive type photograph material using same as sensitizer
US4326021A (en) * 1980-02-01 1982-04-20 Ciba Geigy Ag Photographic negative material with at least one layer containing a desensitized silver halide emulsion
US5294709A (en) * 1989-02-28 1994-03-15 Fuji Photo Film Co., Ltd. Methine compounds and methine dyes

Also Published As

Publication number Publication date
FR867415A (fr) 1941-10-27
GB527627A (en) 1940-10-14
US2282115A (en) 1942-05-05

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