GB345575A - Improvements in colour photography - Google Patents

Improvements in colour photography

Info

Publication number
GB345575A
GB345575A GB1724530A GB1724530A GB345575A GB 345575 A GB345575 A GB 345575A GB 1724530 A GB1724530 A GB 1724530A GB 1724530 A GB1724530 A GB 1724530A GB 345575 A GB345575 A GB 345575A
Authority
GB
United Kingdom
Prior art keywords
leuco
dyestuffs
class
indigosol
pictures
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
GB1724530A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB345575A publication Critical patent/GB345575A/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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/46—Subtractive processes not covered by the group G03C7/26; Materials therefor; Preparing or processing such materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
GB1724530A 1929-06-04 1930-06-04 Improvements in colour photography Expired GB345575A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0038174 1929-06-04

Publications (1)

Publication Number Publication Date
GB345575A true GB345575A (en) 1931-03-26

Family

ID=7189715

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1724530A Expired GB345575A (en) 1929-06-04 1930-06-04 Improvements in colour photography

Country Status (3)

Country Link
BE (1) BE370834A (enrdf_load_stackoverflow)
FR (1) FR696641A (enrdf_load_stackoverflow)
GB (1) GB345575A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE370834A (enrdf_load_stackoverflow)
FR696641A (fr) 1931-01-05

Similar Documents

Publication Publication Date Title
GB1052699A (enrdf_load_stackoverflow)
SU519150A3 (ru) Способ получени полутонового изображени
US1710455A (en) Process for producing photographs in natural colors
US2750292A (en) Process for producing colored photographic contrasts
US2034220A (en) Light-sensitive layer and method of producing colored pictures
GB345575A (en) Improvements in colour photography
GB442522A (en) Improved process for the production of multi-colour photographic pictures, and photographic material therefor
US3052542A (en) Intermediate master for use in the diazotype process and a process for producing same
US1918623A (en) Multicolored pictures
GB178828A (en) Photographic print-out paper and prints made therefrom
GB804076A (en) Improvements in or relating to the manufacture of prints and photographic material therefor
GB475786A (en) Improvements in and relating to colour photography
US3323917A (en) Photomechanical bleachout color process
US1643529A (en) Production of pictures by the transfer process
US2075191A (en) Method of producing colored photographs
US2159683A (en) Process for the production of photographic pictures in natural colors in accordance with the threecolor principle
GB522190A (en) Process of colour photography
GB626979A (en) Improvements in color photography
GB420356A (en) Improvements in three-colour photography
GB447032A (en) Process for the production of coloured photographic pictures
US1810180A (en) Color photography
GB306328A (en) Improved process for printing three-colour photographs or kinematograph films
GB402231A (en) Improvements in and relating to colour photography
GB191413260A (en) Improvements in or relating to a Method of and Means for Producing Coloured Pictures, for instance Copies from Screen-plates.
GB326287A (en) Process for the manufacture of light-sensitive surfaces for use in colour photography