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FR667078A - Process for preventing the production of stains on colloidal films treated with chemical solutions - Google Patents

Process for preventing the production of stains on colloidal films treated with chemical solutions

Info

Publication number
FR667078A
FR667078A FR667078DA FR667078A FR 667078 A FR667078 A FR 667078A FR 667078D A FR667078D A FR 667078DA FR 667078 A FR667078 A FR 667078A
Authority
FR
France
Prior art keywords
stains
preventing
production
chemical solutions
films treated
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)
Inventor
Carl Roehrich
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 filed Critical
Application granted granted Critical
Publication of FR667078A publication Critical patent/FR667078A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/268Processing baths not provided for elsewhere, e.g. pre-treatment, stop, intermediate or rinse baths

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR667078D 1928-01-21 1929-01-08 Process for preventing the production of stains on colloidal films treated with chemical solutions Expired FR667078A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE667078X 1928-01-21

Publications (1)

Publication Number Publication Date
FR667078A true FR667078A (en) 1929-10-12

Family

ID=6589824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR667078D Expired FR667078A (en) 1928-01-21 1929-01-08 Process for preventing the production of stains on colloidal films treated with chemical solutions

Country Status (1)

Country Link
FR (1) FR667078A (en)

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