GB363616A - Improvements in and relating to the production of photographic images - Google Patents

Improvements in and relating to the production of photographic images

Info

Publication number
GB363616A
GB363616A GB18909/30A GB1890930A GB363616A GB 363616 A GB363616 A GB 363616A GB 18909/30 A GB18909/30 A GB 18909/30A GB 1890930 A GB1890930 A GB 1890930A GB 363616 A GB363616 A GB 363616A
Authority
GB
United Kingdom
Prior art keywords
acid
image
bath
coupling
potassium
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
GB18909/30A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB18909/30A priority Critical patent/GB363616A/en
Priority to DEM114733D priority patent/DE617713C/de
Priority to US536306A priority patent/US1968956A/en
Publication of GB363616A publication Critical patent/GB363616A/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
    • G03C5/40—Chemically transforming developed images

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
GB18909/30A 1930-06-20 1930-06-20 Improvements in and relating to the production of photographic images Expired GB363616A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB18909/30A GB363616A (en) 1930-06-20 1930-06-20 Improvements in and relating to the production of photographic images
DEM114733D DE617713C (de) 1930-06-20 1931-03-28 Verfahren zur Herstellung von Farbbildern
US536306A US1968956A (en) 1930-06-20 1931-05-09 Colored photographic image and method of producing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18909/30A GB363616A (en) 1930-06-20 1930-06-20 Improvements in and relating to the production of photographic images

Publications (1)

Publication Number Publication Date
GB363616A true GB363616A (en) 1931-12-21

Family

ID=10120498

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18909/30A Expired GB363616A (en) 1930-06-20 1930-06-20 Improvements in and relating to the production of photographic images

Country Status (3)

Country Link
US (1) US1968956A (de)
DE (1) DE617713C (de)
GB (1) GB363616A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439901A (en) * 1941-12-27 1948-04-20 Henry T Neumann Method for producing colored photographs
US2671023A (en) * 1949-12-16 1954-03-02 Gen Aniline & Film Corp Preparation of azo dye images in photographic materials

Also Published As

Publication number Publication date
DE617713C (de) 1935-08-24
US1968956A (en) 1934-08-07

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