FR2256435B1 - - Google Patents

Info

Publication number
FR2256435B1
FR2256435B1 FR7442501A FR7442501A FR2256435B1 FR 2256435 B1 FR2256435 B1 FR 2256435B1 FR 7442501 A FR7442501 A FR 7442501A FR 7442501 A FR7442501 A FR 7442501A FR 2256435 B1 FR2256435 B1 FR 2256435B1
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.)
Expired
Application number
FR7442501A
Other versions
FR2256435A1 (fr
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of FR2256435A1 publication Critical patent/FR2256435A1/fr
Application granted granted Critical
Publication of FR2256435B1 publication Critical patent/FR2256435B1/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
    • C09B23/06—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines
    • 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
    • G03C1/14—Methine and polymethine dyes with an odd number of CH groups
    • G03C1/18—Methine and polymethine dyes with an odd number of CH groups with three 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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • G03C8/08—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds
    • G03C8/10—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors
    • G03C8/12—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors characterised by the releasing mechanism
    • G03C8/14—Oxidation of the chromogenic substances
    • G03C8/16—Oxidation of the chromogenic substances initially diffusible in alkaline environment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
FR7442501A 1974-01-02 1974-12-23 Expired FR2256435B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/430,222 US3932186A (en) 1974-01-02 1974-01-02 Spectrally sensitized photographic silver halide emulsion

Publications (2)

Publication Number Publication Date
FR2256435A1 FR2256435A1 (fr) 1975-07-25
FR2256435B1 true FR2256435B1 (fr) 1981-05-08

Family

ID=23706596

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7442501A Expired FR2256435B1 (fr) 1974-01-02 1974-12-23

Country Status (6)

Country Link
US (1) US3932186A (fr)
JP (1) JPS5515012B2 (fr)
CA (1) CA1036858A (fr)
DE (1) DE2500048A1 (fr)
FR (1) FR2256435B1 (fr)
GB (1) GB1494740A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107828A (en) * 1975-03-19 1976-09-24 Konishiroku Photo Ind Harogenkaginkaraashashinkankozairyo
US4135933A (en) * 1975-06-20 1979-01-23 Fuji Photo Film Co., Ltd. Silver halide photographic emulsion
JPS5249020A (en) * 1975-10-09 1977-04-19 Fuji Photo Film Co Ltd Silver halide photographic emulsion
JPS599893B2 (ja) * 1975-10-29 1984-03-06 富士写真フイルム株式会社 ハロゲンカギンシヤシンニユウザイ
JPS56110927A (en) * 1980-02-07 1981-09-02 Mitsubishi Paper Mills Ltd Manufacture of silver halide photographic material
US5512428A (en) * 1993-10-13 1996-04-30 Agfa-Gevaert Ag Photographic recording materials

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1072765B (de) * 1960-01-07 Agfa Aktiengesellschaft, Leverkusen-Bayerwerk Verfahren zur Herstellung von symmetrischen und unsymmetrischen Betain-Carbocyaninfarbstoffen
BE595979A (fr) * 1959-10-13
GB1062950A (en) * 1963-12-31 1967-03-22 Gevaert Photo Prod Nv Trimethine dyes
US3580724A (en) * 1968-06-04 1971-05-25 Konishiroku Photo Ind Light-sensitive supersensitized silver halide color photographic emulsions
US3663210A (en) * 1969-04-19 1972-05-16 Konishiroku Photo Ind Light-sensitive silver halide supersensitized photographic material
DE2060939A1 (de) * 1970-12-11 1972-06-15 Agfa Gevaert Ag Spektral sensibilisiertes photographisches Schnellverarbeitungsmaterial
US3729319A (en) * 1971-06-02 1973-04-24 Ilford Ltd Optical supersensitisation of silver halide emulsions with three cyanine dyes
US3734739A (en) * 1971-07-29 1973-05-22 Polaroid Corp Silver halide emulsions sensitized with cyanine dyes containing a quaternary group

Also Published As

Publication number Publication date
DE2500048C2 (fr) 1989-11-23
GB1494740A (en) 1977-12-14
FR2256435A1 (fr) 1975-07-25
CA1036858A (fr) 1978-08-22
US3932186A (en) 1976-01-13
JPS5099722A (fr) 1975-08-07
DE2500048A1 (de) 1975-07-10
JPS5515012B2 (fr) 1980-04-21

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Legal Events

Date Code Title Description
ST Notification of lapse