FR1099927A - New photosensitive mixed grain emulsions and process for their preparation - Google Patents

New photosensitive mixed grain emulsions and process for their preparation

Info

Publication number
FR1099927A
FR1099927A FR1099927DA FR1099927A FR 1099927 A FR1099927 A FR 1099927A FR 1099927D A FR1099927D A FR 1099927DA FR 1099927 A FR1099927 A FR 1099927A
Authority
FR
France
Prior art keywords
preparation
grain emulsions
mixed grain
new photosensitive
photosensitive mixed
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 FR1099927A publication Critical patent/FR1099927A/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
    • G03C1/12—Methine and polymethine dyes
    • 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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
FR1099927D 1951-10-17 1952-10-17 New photosensitive mixed grain emulsions and process for their preparation Expired FR1099927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US251833A US2673149A (en) 1951-10-17 1951-10-17 Quaternary salts in mixed grain photographic emulsions

Publications (1)

Publication Number Publication Date
FR1099927A true FR1099927A (en) 1955-09-14

Family

ID=22953606

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1099927D Expired FR1099927A (en) 1951-10-17 1952-10-17 New photosensitive mixed grain emulsions and process for their preparation

Country Status (5)

Country Link
US (1) US2673149A (en)
BE (1) BE514795A (en)
DE (1) DE971466C (en)
FR (1) FR1099927A (en)
GB (1) GB722231A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE514795A (en) * 1951-10-17
US3062645A (en) * 1957-11-27 1962-11-06 Eastman Kodak Co Sensitization of photographic emulsions to be developed with p-phenylenediamine developing agents
US3502467A (en) * 1967-12-12 1970-03-24 Eastman Kodak Co High temperature processing in dyedeveloper diffusion transfer systems
US4351898A (en) * 1978-01-03 1982-09-28 Goldberg Richard J Mixed grain single emulsion layer photographic material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB587434A (en) * 1939-12-20 1947-04-25 Gevaert Photo Prod Nv Improvements in and relating to the preparation of heterocyclic nitrogen compounds
BE463680A (en) * 1940-02-29
BE491769A (en) * 1948-10-30
BE514795A (en) * 1951-10-17

Also Published As

Publication number Publication date
US2673149A (en) 1954-03-23
BE514795A (en)
GB722231A (en) 1955-01-19
DE971466C (en) 1959-01-29

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