FR856574A - Process for preparing photographic emulsions and resulting products - Google Patents

Process for preparing photographic emulsions and resulting products

Info

Publication number
FR856574A
FR856574A FR856574DA FR856574A FR 856574 A FR856574 A FR 856574A FR 856574D A FR856574D A FR 856574DA FR 856574 A FR856574 A FR 856574A
Authority
FR
France
Prior art keywords
resulting products
photographic emulsions
preparing photographic
preparing
emulsions
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 FR856574A publication Critical patent/FR856574A/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
    • G03C1/485—Direct positive emulsions
    • G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • G03C1/48584—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure spectrally sensitised

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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR856574D 1938-01-22 1939-01-21 Process for preparing photographic emulsions and resulting products Expired FR856574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US186399A US2184013A (en) 1938-01-22 1938-01-22 Direct positive emulsion

Publications (1)

Publication Number Publication Date
FR856574A true FR856574A (en) 1940-06-18

Family

ID=22684799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856574D Expired FR856574A (en) 1938-01-22 1939-01-21 Process for preparing photographic emulsions and resulting products

Country Status (3)

Country Link
US (1) US2184013A (en)
FR (1) FR856574A (en)
GB (1) GB524087A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1054284A (en) * 1963-02-14
US3428455A (en) * 1965-05-28 1969-02-18 Eastman Kodak Co Optically sensitized photographic element containing a developing agent
US4259438A (en) * 1978-07-03 1981-03-31 Polaroid Corporation Method for preparing photosensitive silver halide emulsions

Also Published As

Publication number Publication date
GB524087A (en) 1940-07-30
US2184013A (en) 1939-12-19

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