FR2080881A1 - - Google Patents

Info

Publication number
FR2080881A1
FR2080881A1 FR7040575A FR7040575A FR2080881A1 FR 2080881 A1 FR2080881 A1 FR 2080881A1 FR 7040575 A FR7040575 A FR 7040575A FR 7040575 A FR7040575 A FR 7040575A FR 2080881 A1 FR2080881 A1 FR 2080881A1
Authority
FR
France
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.)
Granted
Application number
FR7040575A
Other languages
French (fr)
Other versions
FR2080881B1 (en
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.)
Fujifilm Holdings Corp
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.)
Filing date
Publication date
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of FR2080881A1 publication Critical patent/FR2080881A1/fr
Application granted granted Critical
Publication of FR2080881B1 publication Critical patent/FR2080881B1/fr
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
    • C09B23/02—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)
FR707040575A 1969-11-14 1970-11-13 Expired FR2080881B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2080881A1 true FR2080881A1 (en) 1971-11-26
FR2080881B1 FR2080881B1 (en) 1973-02-02

Family

ID=14020825

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707040575A Expired FR2080881B1 (en) 1969-11-14 1970-11-13

Country Status (6)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2135153A1 (en) * 1971-07-14 1973-01-25 Agfa Gevaert Ag SPECTRAL SENSITIVENESS DIRECT POSITIVE 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 (en) * 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
US3687674A (en) 1972-08-29
FR2080881B1 (en) 1973-02-02
GB1328556A (en) 1973-08-30
CA971816A (en) 1975-07-29
BE758899A (en) 1971-04-16
DE2055752B2 (en) 1973-11-15
DE2055752A1 (en) 1971-05-27
DE2055752C3 (en) 1974-06-06

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Legal Events

Date Code Title Description
ST Notification of lapse