DE1803713B1 - Verfahren zur Herstellung von Trimethinindolfarbstoffen - Google Patents

Verfahren zur Herstellung von Trimethinindolfarbstoffen

Info

Publication number
DE1803713B1
DE1803713B1 DE19681803713 DE1803713A DE1803713B1 DE 1803713 B1 DE1803713 B1 DE 1803713B1 DE 19681803713 DE19681803713 DE 19681803713 DE 1803713 A DE1803713 A DE 1803713A DE 1803713 B1 DE1803713 B1 DE 1803713B1
Authority
DE
Germany
Prior art keywords
indole
radical
trimethine
alkyl
silver
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.)
Pending
Application number
DE19681803713
Other languages
German (de)
English (en)
Inventor
Mee John David
Heseltine Donald Warren
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eastman Kodak Co
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 DE1803713B1 publication Critical patent/DE1803713B1/de
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/485Direct positive emulsions
    • G03C1/48515Direct positive emulsions prefogged
    • G03C1/48523Direct positive emulsions prefogged characterised by the desensitiser
    • G03C1/4853Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/06Methine 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
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/12Methine 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)
DE19681803713 1967-10-19 1968-10-17 Verfahren zur Herstellung von Trimethinindolfarbstoffen Pending DE1803713B1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE1803713B1 true DE1803713B1 (de) 1970-10-01

Family

ID=24715172

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681803713 Pending DE1803713B1 (de) 1967-10-19 1968-10-17 Verfahren zur Herstellung von Trimethinindolfarbstoffen

Country Status (5)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT988269B (it) * 1973-06-18 1975-04-10 Minnesota Mining & Mfg Coloranti cianinici e loro impiego come sensibilizzatori spettrali in materiali fotografici positivi diretti del tipo ad effetto herschel sensibilizzato spettralmente

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930694A (en) * 1956-03-19 1960-03-29 Agfa Ag Optical sensitization of direct positive emulsions

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930694A (en) * 1956-03-19 1960-03-29 Agfa Ag Optical sensitization of direct positive emulsions

Also Published As

Publication number Publication date
CH482782A (fr) 1969-12-15
GB1234658A (enrdf_load_stackoverflow) 1971-06-09
FR1589032A (enrdf_load_stackoverflow) 1970-03-16
BE722457A (enrdf_load_stackoverflow) 1969-04-01

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