CA1066704A - Cyanine dyes containing an imidazo-(4,5-b)-quinoxaline nucleus and their use in photographic elements - Google Patents

Cyanine dyes containing an imidazo-(4,5-b)-quinoxaline nucleus and their use in photographic elements

Info

Publication number
CA1066704A
CA1066704A CA275,705A CA275705A CA1066704A CA 1066704 A CA1066704 A CA 1066704A CA 275705 A CA275705 A CA 275705A CA 1066704 A CA1066704 A CA 1066704A
Authority
CA
Canada
Prior art keywords
dione
thio
phenyl
dyes
imidazo
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
CA275,705A
Other languages
English (en)
French (fr)
Inventor
Paolo Beretta
Luigi Magnani
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA1066704A publication Critical patent/CA1066704A/en
Expired legal-status Critical Current

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)
CA275,705A 1976-04-07 1977-04-06 Cyanine dyes containing an imidazo-(4,5-b)-quinoxaline nucleus and their use in photographic elements Expired CA1066704A (en)

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
CA1066704A true CA1066704A (en) 1979-11-20

Family

ID=11269004

Family Applications (1)

Application Number Title Priority Date Filing Date
CA275,705A Expired CA1066704A (en) 1976-04-07 1977-04-06 Cyanine dyes containing an imidazo-(4,5-b)-quinoxaline nucleus and their use in photographic elements

Country Status (9)

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

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
FR2347414B1 (index.php) 1981-10-23
IT1057476B (it) 1982-03-10
DE2715436A1 (de) 1977-10-20
BE853348A (fr) 1977-10-07
AR216761A1 (es) 1980-01-31
DE2715436C2 (de) 1986-10-30
CH628746A5 (en) 1982-03-15
GB1555053A (en) 1979-11-07
MX148090A (es) 1983-03-11
FR2347414A1 (fr) 1977-11-04

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