CH482782A - Process for the manufacture of trimethine cyanines with indole rings - Google Patents

Process for the manufacture of trimethine cyanines with indole rings

Info

Publication number
CH482782A
CH482782A CH1497468A CH1497468A CH482782A CH 482782 A CH482782 A CH 482782A CH 1497468 A CH1497468 A CH 1497468A CH 1497468 A CH1497468 A CH 1497468A CH 482782 A CH482782 A CH 482782A
Authority
CH
Switzerland
Prior art keywords
manufacture
indole rings
trimethine
cyanines
trimethine cyanines
Prior art date
Application number
CH1497468A
Other languages
French (fr)
Inventor
Warren Heseltine Donald
David Mee John
Original Assignee
Eastman Kodak Co
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 by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of CH482782A publication Critical patent/CH482782A/en

Links

Classifications

    • 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
    • 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
    • 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
CH1497468A 1967-10-19 1968-10-08 Process for the manufacture of trimethine cyanines with indole rings CH482782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67660267A 1967-10-19 1967-10-19

Publications (1)

Publication Number Publication Date
CH482782A true CH482782A (en) 1969-12-15

Family

ID=24715172

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1497468A CH482782A (en) 1967-10-19 1968-10-08 Process for the manufacture of trimethine cyanines with indole rings

Country Status (5)

Country Link
BE (1) BE722457A (en)
CH (1) CH482782A (en)
DE (1) DE1803713B1 (en)
FR (1) FR1589032A (en)
GB (1) GB1234658A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT988269B (en) * 1973-06-18 1975-04-10 Minnesota Mining & Mfg CYANINE DYES AND THEIR USE AS SPECTRAL SENSITIZERS IN DIRECT POSITIVE PHOTOGRAPHIC MATERIALS OF THE SPECTRALLY SENSITIZED HERSCHEL EFFECT TYPE

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE555921A (en) * 1956-03-19

Also Published As

Publication number Publication date
DE1803713B1 (en) 1970-10-01
FR1589032A (en) 1970-03-16
GB1234658A (en) 1971-06-09
BE722457A (en) 1969-04-01

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Legal Events

Date Code Title Description
PL Patent ceased