BE758899A - Emulsion photographique positive directe a l'halogenure d'argent - Google Patents

Emulsion photographique positive directe a l'halogenure d'argent

Info

Publication number
BE758899A
BE758899A BE758899DA BE758899A BE 758899 A BE758899 A BE 758899A BE 758899D A BE758899D A BE 758899DA BE 758899 A BE758899 A BE 758899A
Authority
BE
Belgium
Prior art keywords
halographic
emulsion
direct positive
positive silver
silver
Prior art date
Application number
Other languages
English (en)
Inventor
A Sato
M Sonoda
K Shiba
M Hinato
T Nozoe
Original Assignee
Fuji Photo Film Co 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.)
Publication date
Publication of BE758899A publication Critical patent/BE758899A/fr

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
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/04—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups one >CH- group, e.g. cyanines, isocyanines, pseudocyanines
    • 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
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/10—Organic substances
    • G03C1/12—Methine and polymethine dyes
    • G03C1/22—Methine and polymethine dyes with 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)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE758899D 1969-11-14 Emulsion photographique positive directe a l'halogenure d'argent BE758899A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9123869 1969-11-14

Publications (1)

Publication Number Publication Date
BE758899A true BE758899A (fr) 1971-04-16

Family

ID=14020825

Family Applications (1)

Application Number Title Priority Date Filing Date
BE758899D BE758899A (fr) 1969-11-14 Emulsion photographique positive directe a l'halogenure d'argent

Country Status (6)

Country Link
US (1) US3687674A (fr)
BE (1) BE758899A (fr)
CA (1) CA971816A (fr)
DE (1) DE2055752C3 (fr)
FR (1) FR2080881B1 (fr)
GB (1) GB1328556A (fr)

Families Citing this family (4)

* 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
US3970459A (en) * 1971-08-19 1976-07-20 Fuji Photo Film Co., Ltd. Process for developing a direct reversal silver halide photographic light-sensitive material
JPS5547378B2 (fr) * 1971-09-04 1980-11-29
US3923524A (en) * 1973-10-29 1975-12-02 Eastman Kodak Co Fogged direct positive silver halide emulsions containing photographic sensitizing dyes derived from substituted salicylaldehydes

Also Published As

Publication number Publication date
DE2055752A1 (de) 1971-05-27
CA971816A (en) 1975-07-29
GB1328556A (en) 1973-08-30
FR2080881B1 (fr) 1973-02-02
FR2080881A1 (fr) 1971-11-26
DE2055752B2 (de) 1973-11-15
DE2055752C3 (de) 1974-06-06
US3687674A (en) 1972-08-29

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