FR942478A - Perfectionnements aux procédés photographiques d'inversion - Google Patents

Perfectionnements aux procédés photographiques d'inversion

Info

Publication number
FR942478A
FR942478A FR942478DA FR942478A FR 942478 A FR942478 A FR 942478A FR 942478D A FR942478D A FR 942478DA FR 942478 A FR942478 A FR 942478A
Authority
FR
France
Prior art keywords
photographic
inversion processes
inversion
processes
photographic inversion
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
English (en)
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 FR942478A publication Critical patent/FR942478A/fr
Priority claimed from GB402849A external-priority patent/GB665682A/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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/407—Development processes or agents therefor
    • G03C7/413—Developers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
FR942478D 1942-09-01 1946-08-28 Perfectionnements aux procédés photographiques d'inversion Expired FR942478A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB657742 1942-09-01
GB402849A GB665682A (en) 1942-09-01 1949-02-14 Improvements in photographic processes

Publications (1)

Publication Number Publication Date
FR942478A true FR942478A (fr) 1949-02-09

Family

ID=32232342

Family Applications (3)

Application Number Title Priority Date Filing Date
FR942478D Expired FR942478A (fr) 1942-09-01 1946-08-28 Perfectionnements aux procédés photographiques d'inversion
FR58875D Expired FR58875E (fr) 1942-09-01 1949-05-27 Perfectionnements aux procédés photographiques d'inversion
FR60059D Expired FR60059E (fr) 1942-09-01 1950-02-13 Perfectionnements aux procédés photographiques d'inversion

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR58875D Expired FR58875E (fr) 1942-09-01 1949-05-27 Perfectionnements aux procédés photographiques d'inversion
FR60059D Expired FR60059E (fr) 1942-09-01 1950-02-13 Perfectionnements aux procédés photographiques d'inversion

Country Status (6)

Country Link
US (1) US2592298A (fi)
BE (2) BE468653A (fi)
CH (1) CH281461A (fi)
FR (3) FR942478A (fi)
GB (2) GB581789A (fi)
NL (1) NL69460C (fi)

Also Published As

Publication number Publication date
GB581789A (en) 1946-10-24
US2592298A (en) 1952-04-08
FR58875E (fr) 1954-04-06
NL69460C (fi)
BE493810A (fi)
FR60059E (fr) 1954-09-22
GB581773A (en) 1946-10-24
CH281461A (fr) 1952-03-15
BE468653A (fi)

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