FR1599756A - - Google Patents

Info

Publication number
FR1599756A
FR1599756A FR1599756DA FR1599756A FR 1599756 A FR1599756 A FR 1599756A FR 1599756D A FR1599756D A FR 1599756DA FR 1599756 A FR1599756 A FR 1599756A
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
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
Application granted granted Critical
Publication of FR1599756A publication Critical patent/FR1599756A/fr
Expired legal-status Critical Current

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
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups
    • 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
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/04—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups one >CH- group, e.g. cyanines, isocyanines, pseudocyanines
    • 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
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/06—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines
    • 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
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
    • G03C1/4853—Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
FR1599756D 1967-09-08 1968-09-06 Expired FR1599756A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66651367A 1967-09-08 1967-09-08

Publications (1)

Publication Number Publication Date
FR1599756A true FR1599756A (fr) 1970-07-20

Family

ID=24674380

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1599756D Expired FR1599756A (fr) 1967-09-08 1968-09-06

Country Status (5)

Country Link
US (1) US3539349A (fr)
BE (1) BE720437A (fr)
DE (2) DE1794099A1 (fr)
FR (1) FR1599756A (fr)
GB (1) GB1241833A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852683A (en) * 1971-10-18 1974-12-03 Eastman Kodak Co Arylidene dye lasers
IT948115B (it) * 1972-01-04 1973-05-30 Nimmesota Mining And Mfg Co Metodo per rendere coloranti trinu cleari derivati dalla rodanina so lubili in alcoli a basso peso mole colare e coloranti ottenuti per uso in emulsioni fotografiche all alogenuro d argento
IT1032161B (it) * 1974-12-09 1979-05-30 Minnesota Mining & Mfg Coloranti merocianinici quaterna rizzati e loro uso per sensibiliz zare spettralmente emulsioni positive dirette agli alogenuri d argento
US4355098A (en) * 1981-02-11 1982-10-19 E. I. Du Pont De Nemours And Company Supersensitizing direct positive dye combinations
US4965183A (en) * 1988-10-05 1990-10-23 Eastman Kodak Company Tri-nuclear dyes for photographic compositions and method of prepartion
US5296344A (en) * 1991-06-11 1994-03-22 Fuji Photo Film Co., Ltd. Silver halide photographic light-sensitive material
JP2717475B2 (ja) * 1992-02-26 1998-02-18 富士写真フイルム株式会社 ハロゲン化銀写真感光材料

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454629A (en) * 1940-01-27 1948-11-23 Eastman Kodak Co Polymethine dyes
BE515184A (fr) * 1951-10-30

Also Published As

Publication number Publication date
US3539349A (en) 1970-11-10
DE1797262A1 (de) 1971-03-18
DE1797262B2 (de) 1973-07-19
BE720437A (fr) 1969-02-17
DE1794099A1 (de) 1971-03-18
GB1241833A (en) 1971-08-04

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Legal Events

Date Code Title Description
ST Notification of lapse