GB1234658A - - Google Patents

Info

Publication number
GB1234658A
GB1234658A GB1234658DA GB1234658A GB 1234658 A GB1234658 A GB 1234658A GB 1234658D A GB1234658D A GB 1234658DA GB 1234658 A GB1234658 A GB 1234658A
Authority
GB
United Kingdom
Prior art keywords
indole
alkyl
substituted
group
acid
Prior art date
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
Other languages
English (en)
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 GB1234658A publication Critical patent/GB1234658A/en
Expired legal-status Critical Current

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

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)
  • Indole Compounds (AREA)
GB1234658D 1967-10-19 1968-10-18 Expired GB1234658A (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1234658A true GB1234658A (xx) 1971-06-09

Family

ID=24715172

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1234658D Expired GB1234658A (xx) 1967-10-19 1968-10-18

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2429230A1 (de) * 1973-06-18 1975-01-09 Minnesota Mining & Mfg Cyanine und ihre verwendung in photographischem aufzeichnungsmaterial

Family Cites Families (1)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2429230A1 (de) * 1973-06-18 1975-01-09 Minnesota Mining & Mfg Cyanine und ihre verwendung in photographischem aufzeichnungsmaterial

Also Published As

Publication number Publication date
FR1589032A (xx) 1970-03-16
BE722457A (xx) 1969-04-01
CH482782A (fr) 1969-12-15
DE1803713B1 (de) 1970-10-01

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee