FR1595837A - - Google Patents

Info

Publication number
FR1595837A
FR1595837A FR1595837DA FR1595837A FR 1595837 A FR1595837 A FR 1595837A FR 1595837D A FR1595837D A FR 1595837DA FR 1595837 A FR1595837 A FR 1595837A
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 FR1595837A publication Critical patent/FR1595837A/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
    • C09B23/02—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
    • C09B23/0008—Methine or polymethine dyes, e.g. cyanine dyes substituted on the polymethine chain
    • C09B23/0025—Methine or polymethine dyes, e.g. cyanine dyes substituted on the polymethine chain the substituent being bound through an oxygen atom
    • 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)
  • Indole Compounds (AREA)
FR1595837D 1967-11-30 1968-11-29 Expired FR1595837A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68681767A 1967-11-30 1967-11-30

Publications (1)

Publication Number Publication Date
FR1595837A true FR1595837A (fr) 1970-06-15

Family

ID=24757890

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1595837D Expired FR1595837A (fr) 1967-11-30 1968-11-29

Country Status (4)

Country Link
US (1) US3545976A (fr)
BE (1) BE724739A (fr)
FR (1) FR1595837A (fr)
GB (1) GB1241835A (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE630911A (fr) * 1962-04-11
GB1059782A (en) * 1962-09-11 1967-02-22 Eastman Kodak Co Photographic silver halide emulsions and sensitive materials prepared therefrom
GB1048888A (en) * 1964-08-14 1966-11-23 Ilford Ltd Cyanine dyestuffs

Also Published As

Publication number Publication date
BE724739A (fr) 1969-05-29
US3545976A (en) 1970-12-08
GB1241835A (en) 1971-08-04

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Legal Events

Date Code Title Description
ST Notification of lapse