IT1057476B - Coloranti cianinici contenenti un nucleo di imidazo 4.5.b chinossalina sostituita e loro uso in elementi fotografici - Google Patents

Coloranti cianinici contenenti un nucleo di imidazo 4.5.b chinossalina sostituita e loro uso in elementi fotografici

Info

Publication number
IT1057476B
IT1057476B IT4891276A IT4891276A IT1057476B IT 1057476 B IT1057476 B IT 1057476B IT 4891276 A IT4891276 A IT 4891276A IT 4891276 A IT4891276 A IT 4891276A IT 1057476 B IT1057476 B IT 1057476B
Authority
IT
Italy
Prior art keywords
kinoxaline
nucleo
imidazo
replaced
photographic elements
Prior art date
Application number
IT4891276A
Other languages
English (en)
Inventor
P Beretta
L Magnani
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
Priority to IT4891276A priority Critical patent/IT1057476B/it
Priority to AR26712277A priority patent/AR216761A1/es
Priority to DE19772715436 priority patent/DE2715436C2/de
Priority to FR7710362A priority patent/FR2347414A1/fr
Priority to CA275,705A priority patent/CA1066704A/en
Priority to GB1462577A priority patent/GB1555053A/en
Priority to CH446077A priority patent/CH628746A5/de
Priority to BE176504A priority patent/BE853348A/xx
Priority to MX16867077A priority patent/MX148090A/es
Application granted granted Critical
Publication of IT1057476B publication Critical patent/IT1057476B/it

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

Priority Applications (9)

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
AR26712277A AR216761A1 (es) 1976-04-07 1977-04-05 Elementos fotograficos que contienen como sensibilizantes a colorantes a base de cianinas con un nucleo imidazo-4,5b-quinoxalina
DE19772715436 DE2715436C2 (de) 1976-04-07 1977-04-06 Cyaninfarbstoffe und ihre Verwendung in photographischem Direktpositiv-Aufzeichnungsmaterial
FR7710362A FR2347414A1 (fr) 1976-04-07 1977-04-06 Colorants de cyanine et leur utilisation en photographie
CA275,705A CA1066704A (en) 1976-04-07 1977-04-06 Cyanine dyes containing an imidazo-(4,5-b)-quinoxaline nucleus and their use in photographic elements
GB1462577A GB1555053A (en) 1976-04-07 1977-04-06 Cyanine dyes
CH446077A CH628746A5 (en) 1976-04-07 1977-04-07 Use of cyanine dyes in photographic direct positive recording material
BE176504A BE853348A (fr) 1976-04-07 1977-04-07 Colorants de cyanine et leur utilisation en photographie
MX16867077A MX148090A (es) 1976-04-07 1977-09-06 El nuevo uso industrial de los colorantes de cianina que contienen un nucleo de imidiazo-(4,5-b)-quinoxalina como sensibilizadores de emulsiones de haluro de plata fotograficas

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
IT1057476B true IT1057476B (it) 1982-03-10

Family

ID=11269004

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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
CH628746A5 (en) 1982-03-15
MX148090A (es) 1983-03-11
DE2715436C2 (de) 1986-10-30
BE853348A (fr) 1977-10-07
AR216761A1 (es) 1980-01-31
FR2347414B1 (it) 1981-10-23
DE2715436A1 (de) 1977-10-20
FR2347414A1 (fr) 1977-11-04
GB1555053A (en) 1979-11-07
CA1066704A (en) 1979-11-20

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