GB643411A - Improvements in or relating to photographic developers - Google Patents

Improvements in or relating to photographic developers

Info

Publication number
GB643411A
GB643411A GB6802/48A GB680248A GB643411A GB 643411 A GB643411 A GB 643411A GB 6802/48 A GB6802/48 A GB 6802/48A GB 680248 A GB680248 A GB 680248A GB 643411 A GB643411 A GB 643411A
Authority
GB
United Kingdom
Prior art keywords
relating
photographic developers
developers
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
GB6802/48A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB643411A publication Critical patent/GB643411A/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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/264—Supplying of photographic processing chemicals; Preparation or packaging thereof
    • G03C5/266—Supplying of photographic processing chemicals; Preparation or packaging thereof of solutions or concentrates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB6802/48A 1947-03-06 1948-03-04 Improvements in or relating to photographic developers Expired GB643411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US643411XA 1947-03-06 1947-03-06

Publications (1)

Publication Number Publication Date
GB643411A true GB643411A (en) 1950-09-20

Family

ID=22055268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6802/48A Expired GB643411A (en) 1947-03-06 1948-03-04 Improvements in or relating to photographic developers

Country Status (1)

Country Link
GB (1) GB643411A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2902367A (en) * 1957-12-26 1959-09-01 Gen Aniline & Film Corp Photographic developer antioxidant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2902367A (en) * 1957-12-26 1959-09-01 Gen Aniline & Film Corp Photographic developer antioxidant

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