BE853348A - Colorants de cyanine et leur utilisation en photographie - Google Patents

Colorants de cyanine et leur utilisation en photographie

Info

Publication number
BE853348A
BE853348A BE176504A BE176504A BE853348A BE 853348 A BE853348 A BE 853348A BE 176504 A BE176504 A BE 176504A BE 176504 A BE176504 A BE 176504A BE 853348 A BE853348 A BE 853348A
Authority
BE
Belgium
Prior art keywords
photography
cyanine dyes
cyanine
dyes
Prior art date
Application number
BE176504A
Other languages
English (en)
French (fr)
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of BE853348A publication Critical patent/BE853348A/xx

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
    • C09B23/14—Styryl dyes
    • C09B23/145—Styryl dyes the ethylene chain carrying an heterocyclic residue, e.g. heterocycle-CH=CH-C6H5
    • 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
    • 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
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • 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)
BE176504A 1976-04-07 1977-04-07 Colorants de cyanine et leur utilisation en photographie BE853348A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT4891276A IT1057476B (it) 1976-04-07 1976-04-07 Coloranti cianinici contenenti un nucleo di imidazo 4.5.b chinossalina sostituita e loro uso in elementi fotografici

Publications (1)

Publication Number Publication Date
BE853348A true BE853348A (fr) 1977-10-07

Family

ID=11269004

Family Applications (1)

Application Number Title Priority Date Filing Date
BE176504A BE853348A (fr) 1976-04-07 1977-04-07 Colorants de cyanine et leur utilisation en photographie

Country Status (9)

Country Link
AR (1) AR216761A1 (it)
BE (1) BE853348A (it)
CA (1) CA1066704A (it)
CH (1) CH628746A5 (it)
DE (1) DE2715436C2 (it)
FR (1) FR2347414A1 (it)
GB (1) GB1555053A (it)
IT (1) IT1057476B (it)
MX (1) MX148090A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3270544D1 (en) * 1981-02-23 1986-05-22 Minnesota Mining & Mfg Sensitized organic electron donor compounds

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3431111A (en) * 1963-06-10 1969-03-04 Eastman Kodak Co Cyanine dyes
US3567438A (en) * 1968-03-25 1971-03-02 Eastman Kodak Co Organic photoconductors sensitized with pyrylium cyanine dyes
US3632808A (en) * 1968-08-08 1972-01-04 Eastman Kodak Co Cyanine dyes containing an imidazo (4 5-b)quinoxaline nucleus

Also Published As

Publication number Publication date
AR216761A1 (es) 1980-01-31
FR2347414A1 (fr) 1977-11-04
CH628746A5 (en) 1982-03-15
MX148090A (es) 1983-03-11
FR2347414B1 (it) 1981-10-23
DE2715436A1 (de) 1977-10-20
GB1555053A (en) 1979-11-07
CA1066704A (en) 1979-11-20
IT1057476B (it) 1982-03-10
DE2715436C2 (de) 1986-10-30

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: MINNESOTA MINING AND MFG CY

Effective date: 19890430