FR938949A - Method for retarding the diffusion of sensitizing dyes in photographic emulsions - Google Patents

Method for retarding the diffusion of sensitizing dyes in photographic emulsions

Info

Publication number
FR938949A
FR938949A FR938949DA FR938949A FR 938949 A FR938949 A FR 938949A FR 938949D A FR938949D A FR 938949DA FR 938949 A FR938949 A FR 938949A
Authority
FR
France
Prior art keywords
retarding
diffusion
sensitizing dyes
photographic emulsions
photographic
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
Other languages
French (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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR938949A publication Critical patent/FR938949A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03C1/102—Organic substances dyes other than methine dyes

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR938949D 1940-06-06 1945-08-02 Method for retarding the diffusion of sensitizing dyes in photographic emulsions Expired FR938949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9902/40A GB540464A (en) 1940-06-06 1940-06-06 Improvements relating to photographic emulsions

Publications (1)

Publication Number Publication Date
FR938949A true FR938949A (en) 1948-10-28

Family

ID=9880903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938949D Expired FR938949A (en) 1940-06-06 1945-08-02 Method for retarding the diffusion of sensitizing dyes in photographic emulsions

Country Status (3)

Country Link
US (1) US2336260A (en)
FR (1) FR938949A (en)
GB (1) GB540464A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2157834C2 (en) * 1971-11-22 1985-01-03 Polaroid Corp., Cambridge, Mass. Photosensitive recording material
JPS5518892B2 (en) * 1971-11-22 1980-05-22
US5219723A (en) * 1991-10-10 1993-06-15 Eastman Kodak Company Green sensitizing dyes for variable contrast photographic elements

Also Published As

Publication number Publication date
US2336260A (en) 1943-12-07
GB540464A (en) 1941-10-17

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