GB746174A - Improvements in the preparation of photographic direct positive images - Google Patents

Improvements in the preparation of photographic direct positive images

Info

Publication number
GB746174A
GB746174A GB1821752A GB1821752A GB746174A GB 746174 A GB746174 A GB 746174A GB 1821752 A GB1821752 A GB 1821752A GB 1821752 A GB1821752 A GB 1821752A GB 746174 A GB746174 A GB 746174A
Authority
GB
United Kingdom
Prior art keywords
silver
layer
contact
hypo
contacted
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
GB1821752A
Other languages
English (en)
Inventor
Gerald Isaac Pasterna Levenson
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 Ltd
Original Assignee
Kodak Ltd
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
Priority to BE521247D priority Critical patent/BE521247A/xx
Application filed by Kodak Ltd filed Critical Kodak Ltd
Priority to GB1821752A priority patent/GB746174A/en
Priority to FR1088224D priority patent/FR1088224A/fr
Publication of GB746174A publication Critical patent/GB746174A/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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • G03C8/04—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of inorganic or organo-metallic compounds derived from photosensitive noble metals
    • G03C8/06—Silver salt diffusion transfer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB1821752A 1952-07-18 1952-07-18 Improvements in the preparation of photographic direct positive images Expired GB746174A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE521247D BE521247A (de) 1952-07-18
GB1821752A GB746174A (en) 1952-07-18 1952-07-18 Improvements in the preparation of photographic direct positive images
FR1088224D FR1088224A (fr) 1952-07-18 1953-07-10 Procédé d'obtention d'images photographiques par inversion et produit pour la mise en oeuvre du procédé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1821752A GB746174A (en) 1952-07-18 1952-07-18 Improvements in the preparation of photographic direct positive images

Publications (1)

Publication Number Publication Date
GB746174A true GB746174A (en) 1956-03-14

Family

ID=10108663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1821752A Expired GB746174A (en) 1952-07-18 1952-07-18 Improvements in the preparation of photographic direct positive images

Country Status (3)

Country Link
BE (1) BE521247A (de)
FR (1) FR1088224A (de)
GB (1) GB746174A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4775614A (en) * 1985-10-28 1988-10-04 Agfa-Gevaert N.V. Method for fixing a photographic silver halide emulsion layer material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4775614A (en) * 1985-10-28 1988-10-04 Agfa-Gevaert N.V. Method for fixing a photographic silver halide emulsion layer material

Also Published As

Publication number Publication date
FR1088224A (fr) 1955-03-04
BE521247A (de)

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