GB826493A - A method of making masked photographic images - Google Patents

A method of making masked photographic images

Info

Publication number
GB826493A
GB826493A GB25722/56A GB2572256A GB826493A GB 826493 A GB826493 A GB 826493A GB 25722/56 A GB25722/56 A GB 25722/56A GB 2572256 A GB2572256 A GB 2572256A GB 826493 A GB826493 A GB 826493A
Authority
GB
United Kingdom
Prior art keywords
pyrazolone
phenyl
chloride
sulphobenzamido
tert
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
GB25722/56A
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.)
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
Application filed by Kodak Ltd filed Critical Kodak Ltd
Publication of GB826493A publication Critical patent/GB826493A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32Colour coupling substances
    • G03C7/333Coloured coupling substances, e.g. for the correction of the coloured image
    • G03C7/3335Coloured coupling substances, e.g. for the correction of the coloured image containing an azo chromophore

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB25722/56A 1955-09-26 1956-08-23 A method of making masked photographic images Expired GB826493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US536502A US2848326A (en) 1955-09-26 1955-09-26 Method for preparing masked images

Publications (1)

Publication Number Publication Date
GB826493A true GB826493A (en) 1960-01-06

Family

ID=24138760

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25722/56A Expired GB826493A (en) 1955-09-26 1956-08-23 A method of making masked photographic images

Country Status (4)

Country Link
US (1) US2848326A (enrdf_load_stackoverflow)
BE (1) BE551200A (enrdf_load_stackoverflow)
FR (1) FR1161137A (enrdf_load_stackoverflow)
GB (1) GB826493A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127268A (en) * 1964-03-31 Hellmig
US3135609A (en) * 1960-06-29 1964-06-02 Gen Aniline & Film Corp 1-hydroxy-2-naphthamide couplers for color photography
BE605204A (enrdf_load_stackoverflow) * 1961-06-21
US3233532A (en) * 1962-04-25 1966-02-08 Minnesota Mining & Mfg Photographic apparatus
US3411905A (en) * 1965-06-14 1968-11-19 Eastman Kodak Co Photographic masking process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB503824A (en) * 1936-07-07 1939-04-11 Kodak Ltd Process of colour photography
US2306410A (en) * 1936-07-07 1942-12-29 Eastman Kodak Co Color development
US2350380A (en) * 1940-08-01 1944-06-06 Du Pont Photography

Also Published As

Publication number Publication date
US2848326A (en) 1958-08-19
FR1161137A (fr) 1958-08-21
BE551200A (enrdf_load_stackoverflow)

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