CH280207A - Process for obtaining a colored image free from metallic silver and image obtained by this process. - Google Patents

Process for obtaining a colored image free from metallic silver and image obtained by this process.

Info

Publication number
CH280207A
CH280207A CH280207DA CH280207A CH 280207 A CH280207 A CH 280207A CH 280207D A CH280207D A CH 280207DA CH 280207 A CH280207 A CH 280207A
Authority
CH
Switzerland
Prior art keywords
obtaining
metallic silver
image obtained
free
image
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Kodak Sa
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 Sa filed Critical Kodak Sa
Publication of CH280207A publication Critical patent/CH280207A/en

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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S56/00Harvesters
    • Y10S56/12Brush

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH280207D 1944-05-03 1947-12-23 Process for obtaining a colored image free from metallic silver and image obtained by this process. CH280207A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US533932A US2455170A (en) 1944-05-03 1944-05-03 Colored couplers
GB18775/44A GB598174A (en) 1944-05-03 1944-10-02 Improvements in and relating to photographic colour forming developers and processesof colour development

Publications (1)

Publication Number Publication Date
CH280207A true CH280207A (en) 1952-01-15

Family

ID=42359001

Family Applications (2)

Application Number Title Priority Date Filing Date
CH282408A CH282408A (en) 1944-05-03 1947-12-23 Photosensitive material for color photography.
CH280207D CH280207A (en) 1944-05-03 1947-12-23 Process for obtaining a colored image free from metallic silver and image obtained by this process.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH282408A CH282408A (en) 1944-05-03 1947-12-23 Photosensitive material for color photography.

Country Status (7)

Country Link
US (1) US2455170A (en)
BE (1) BE476361A (en)
CH (2) CH282408A (en)
DE (1) DE848154C (en)
FR (1) FR950287A (en)
GB (1) GB598174A (en)
NL (1) NL71532C (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE475466A (en) * 1946-08-21
US2536398A (en) * 1947-10-10 1951-01-02 Gen Aniline & Film Corp Pyrazolone diazotype couplers
US2687957A (en) * 1948-12-08 1954-08-31 Gen Aniline & Film Corp Light-sensitive photographic elements containing azo pyrazolones bleachable in ferricyanide compositions
US2725291A (en) * 1952-05-01 1955-11-29 Eastman Kodak Co Azo dye couplers having two coupling nuclei
US2725292A (en) * 1952-05-15 1955-11-29 Eastman Kodak Co Colored couplers containing solubilizing groups
US3148062A (en) * 1959-04-06 1964-09-08 Eastman Kodak Co Photographic elements and processes using splittable couplers
BE619300A (en) * 1959-04-06
US3227550A (en) * 1962-09-07 1966-01-04 Eastman Kodak Co Photographic color reproduction process and element
US3476564A (en) * 1966-05-03 1969-11-04 Ferrania Spa Silver halide emulsion containing an azo-pyrazolone coupler
US3519429A (en) * 1966-05-16 1970-07-07 Eastman Kodak Co Silver halide emulsions containing a stabilizer pyrazolone coupler
DE102020004186A1 (en) 2020-03-27 2021-09-30 GKD - Gebr. Kufferath AG. Process belt with a planar structure, device with a revolving endless belt and use of a process belt

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB513596A (en) * 1938-04-08 1939-10-17 John David Kendall Improvements in and relating to the production of coloured photographic images by colour development
BE436514A (en) * 1938-10-01
US2310943A (en) * 1938-10-05 1943-02-16 Du Pont Polyvinyl acetals
GB524556A (en) * 1938-10-26 1940-08-08 Kodak Ltd Improvements in and relating to photographic materials and the processing thereof
US2271230A (en) * 1939-09-07 1942-01-27 Eastman Kodak Co Sulphonamides of dyes
US2262055A (en) * 1940-01-25 1941-11-11 Du Pont Film Mfg Corp Method of color photography
US2369489A (en) * 1941-09-25 1945-02-13 Eastman Kodak Co Acylated amino pyrazolone couplers
US9334495B2 (en) * 2009-11-25 2016-05-10 Elitechgroup B.V. Minor groove binder (MGB)-oligonucleotide miRNA antagonists

Also Published As

Publication number Publication date
CH282408A (en) 1952-04-30
US2455170A (en) 1948-11-30
BE476361A (en) 1947-10-31
NL71532C (en) 1953-01-15
DE848154C (en) 1952-09-01
FR950287A (en) 1949-09-22
GB598174A (en) 1948-02-12

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