BE782987A - Colorants cyanine et leur application dans les emulsions photographiques - Google Patents

Colorants cyanine et leur application dans les emulsions photographiques

Info

Publication number
BE782987A
BE782987A BE782987A BE782987A BE782987A BE 782987 A BE782987 A BE 782987A BE 782987 A BE782987 A BE 782987A BE 782987 A BE782987 A BE 782987A BE 782987 A BE782987 A BE 782987A
Authority
BE
Belgium
Prior art keywords
application
cyanine dyes
photographic emulsions
photographic
emulsions
Prior art date
Application number
BE782987A
Other languages
English (en)
French (fr)
Inventor
W S Gaugh
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 BE782987A publication Critical patent/BE782987A/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
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/105—The polymethine chain containing an even number of >CH- groups two >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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Indole Compounds (AREA)
BE782987A 1971-05-03 1972-05-03 Colorants cyanine et leur application dans les emulsions photographiques BE782987A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13985971A 1971-05-03 1971-05-03

Publications (1)

Publication Number Publication Date
BE782987A true BE782987A (fr) 1972-09-01

Family

ID=22488620

Family Applications (1)

Application Number Title Priority Date Filing Date
BE782987A BE782987A (fr) 1971-05-03 1972-05-03 Colorants cyanine et leur application dans les emulsions photographiques

Country Status (5)

Country Link
US (1) US3687675A (OSRAM)
BE (1) BE782987A (OSRAM)
CA (1) CA985679A (OSRAM)
FR (1) FR2135203B1 (OSRAM)
GB (1) GB1379521A (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2135153A1 (de) * 1971-07-14 1973-01-25 Agfa Gevaert Ag Spektral sensibilisierte direktpositiv-emulsion
JPS60121441A (ja) * 1983-12-06 1985-06-28 Mitsubishi Paper Mills Ltd 直接ポジ用ハロゲン化銀写真乳剤

Also Published As

Publication number Publication date
CA985679A (en) 1976-03-16
GB1379521A (en) 1975-01-02
FR2135203A1 (OSRAM) 1972-12-15
FR2135203B1 (OSRAM) 1974-11-08
US3687675A (en) 1972-08-29

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