DE946832C - Verfahren zur Herstellung von Cyanin-Farbstoffen - Google Patents

Verfahren zur Herstellung von Cyanin-Farbstoffen

Info

Publication number
DE946832C
DE946832C DEI6912A DEI0006912A DE946832C DE 946832 C DE946832 C DE 946832C DE I6912 A DEI6912 A DE I6912A DE I0006912 A DEI0006912 A DE I0006912A DE 946832 C DE946832 C DE 946832C
Authority
DE
Germany
Prior art keywords
methyl
iodide
groups
ethyl
selenazole
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
DEI6912A
Other languages
German (de)
English (en)
Inventor
Douglas James Fry
Bernard Alan Lea
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford Ltd
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 Ilford Ltd filed Critical Ilford Ltd
Application granted granted Critical
Publication of DE946832C publication Critical patent/DE946832C/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C09B23/0008Methine or polymethine dyes, e.g. cyanine dyes substituted on the polymethine chain
    • 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
    • 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
    • G03C1/06Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08Sensitivity-increasing substances
    • G03C1/10Organic substances
    • G03C1/12Methine and polymethine dyes
    • G03C1/14Methine and polymethine dyes with an odd number of CH groups
    • G03C1/18Methine and polymethine dyes with an odd number of CH groups with three CH groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
DEI6912A 1952-02-14 1953-02-13 Verfahren zur Herstellung von Cyanin-Farbstoffen Expired DE946832C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3959/52A GB717858A (en) 1952-02-14 1952-02-14 Improvements in or relating to cyanine dyes

Publications (1)

Publication Number Publication Date
DE946832C true DE946832C (de) 1956-08-09

Family

ID=9768107

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI6912A Expired DE946832C (de) 1952-02-14 1953-02-13 Verfahren zur Herstellung von Cyanin-Farbstoffen

Country Status (4)

Country Link
US (1) US2712013A (Sortimente)
DE (1) DE946832C (Sortimente)
GB (1) GB717858A (Sortimente)
NL (2) NL83303C (Sortimente)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035290B (de) * 1953-10-06 1958-07-31 Agfa Ag Verfahren zur Herstellung von Methylencyaninen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4331162A1 (de) * 1993-09-14 1995-03-16 Bayer Ag Verfahren zur Herstellung von Cyaninfarbstoffen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB424559A (en) * 1933-05-18 1935-02-18 John David Kendall Improvements in or relating to the production of compounds of the cyanine type
US2307916A (en) * 1938-04-07 1943-01-12 Eastman Kodak Co Unsymmetrical thiazolinocarbocyanine dye and photographic emulsion
US2304981A (en) * 1939-02-08 1942-12-15 Gen Aniline & Film Corp Sensitizing of photographic silver chloride, chloro-bromide, and chloro-bromo-iodideemulsions
US2435865A (en) * 1944-10-17 1948-02-10 Gen Aniline & Film Corp Chain substituted cyanine dyes containing a carbonyl and thiocarbonyl group

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035290B (de) * 1953-10-06 1958-07-31 Agfa Ag Verfahren zur Herstellung von Methylencyaninen

Also Published As

Publication number Publication date
NL176063B (nl)
US2712013A (en) 1955-06-28
NL83303C (Sortimente)
GB717858A (en) 1954-11-03

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