GB665984A - Improvements in and relating to the manufacture of photographic reversal images - Google Patents

Improvements in and relating to the manufacture of photographic reversal images

Info

Publication number
GB665984A
GB665984A GB26570/47A GB2657047A GB665984A GB 665984 A GB665984 A GB 665984A GB 26570/47 A GB26570/47 A GB 26570/47A GB 2657047 A GB2657047 A GB 2657047A GB 665984 A GB665984 A GB 665984A
Authority
GB
United Kingdom
Prior art keywords
emulsion layer
diffusion
bath
hardened
hypo
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
GB26570/47A
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.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
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 Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Publication of GB665984A publication Critical patent/GB665984A/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)
GB26570/47A 1946-10-07 1947-10-02 Improvements in and relating to the manufacture of photographic reversal images Expired GB665984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL128013 1946-10-07

Publications (1)

Publication Number Publication Date
GB665984A true GB665984A (en) 1952-02-06

Family

ID=19750404

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26570/47A Expired GB665984A (en) 1946-10-07 1947-10-02 Improvements in and relating to the manufacture of photographic reversal images

Country Status (5)

Country Link
US (1) US2663641A (xx)
BE (1) BE476512A (xx)
FR (1) FR57717E (xx)
GB (1) GB665984A (xx)
NL (2) NL60845C (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2962377A (en) * 1954-10-15 1960-11-29 Polaroid Corp Photographic processes and compositions useful therein
US2834676A (en) * 1955-07-19 1958-05-13 Sperry Rand Corp Photographic diffusion transfer process for producing multiple direct positive copies
BE557693A (xx) * 1956-05-23

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1303635A (en) * 1919-05-13 John o
US1285015A (en) * 1915-06-08 1918-11-19 Clarence P Browning Photo-engraving.
FR605883A (fr) * 1925-02-09 1926-06-03 Film En Couleurs Keller Dorian Procédé pour le développement de vues photographiques et cinématographiques, en noir et en couleurs
GB317199A (en) * 1928-07-14 1929-08-15 Humphrey Desmond Murray Improvements in and relating to the production of photographic images
DE552434C (de) * 1930-01-14 1932-06-13 Ig Farbenindustrie Ag Verfahren zum Vermeiden von Luftflecken in den Bildschichten photographischer Materialien beim Behandeln in Baedern aller Art
DE530337C (de) * 1930-06-05 1931-07-27 Schering Kahlbaum Ag Verfahren zur Herstellung direkter Positive unter Verwendung von zwei Schichten
US1849245A (en) * 1930-07-21 1932-03-15 Eastman Kodak Co Toning bath for photocraphic prints
US1930140A (en) * 1932-01-23 1933-10-10 Eastman Kodak Co Acid hardening fixing bath
BE402030A (xx) * 1933-03-22
NL59365C (xx) * 1939-11-02
BE444702A (xx) * 1941-01-24
US2352014A (en) * 1941-07-21 1944-06-20 Rott Andre Photomechanical printing process and printing material for carrying out the same
US2397016A (en) * 1944-07-25 1946-03-19 Photo Technical Corp Combined developer and fixer
US2440106A (en) * 1946-04-26 1948-04-20 Polaroid Corp Light-polarizing image and methods for forming the same
US2543181A (en) * 1947-01-15 1951-02-27 Polaroid Corp Photographic product comprising a rupturable container carrying a photographic processing liquid

Also Published As

Publication number Publication date
NL60845C (xx)
BE476512A (xx)
NL128013B (xx)
FR57717E (fr) 1953-05-04
US2663641A (en) 1953-12-22

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