BE476361A - Perfectionnements aux coupleurs colorés - Google Patents

Perfectionnements aux coupleurs colorés

Info

Publication number: BE476361A
Authority: BE; Belgium
Prior art keywords: colored couplers; couplers; colored
Prior art date: 1944-05-03

Application number

BE476361A

Other languages

English (en)

Inventor

F B Glass

P W Vittum

A Weissberger

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.)

1944-05-03

Filing date

1947-09-27

Publication date

1947-10-31

1947-09-27 Application filed by Kodak Sa filed Critical Kodak Sa

1947-10-31 Publication of BE476361A publication Critical patent/BE476361A/fr

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
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/32—Colour coupling substances
- G03C7/333—Coloured coupling substances, e.g. for the correction of the coloured image
- G03C7/3335—Coloured coupling substances, e.g. for the correction of the coloured image containing an azo chromophore
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S56/00—Harvesters
- Y10S56/12—Brush

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)

BE476361A 1944-05-03 1947-09-27 Perfectionnements aux coupleurs colorés BE476361A (fr)

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
BE476361A true BE476361A (fr)	1947-10-31

Family

ID=42359001

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE476361A BE476361A (fr)	1944-05-03	1947-09-27	Perfectionnements aux coupleurs colorés

Country Status (7)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE475466A (fr) *	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
BE589419A (fr) *	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 (de)	2020-03-27	2021-09-30	GKD - Gebr. Kufferath AG.	Prozessband mit einem Flächengefüge, Vorrichtung mit umlaufendem Endlosband und Verwendung eines Prozessbandes

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 (fr) *	1938-10-01
US2310943A (en) *	1938-10-05	1943-02-16	Du Pont	Polyvinyl acetals
GB524558A (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

1944
- 1944-05-03 US US533932A patent/US2455170A/en not_active Expired - Lifetime
- 1944-10-02 GB GB18775/44A patent/GB598174A/en not_active Expired
1946
- 1946-08-29 FR FR950287D patent/FR950287A/fr not_active Expired
1947
- 1947-09-13 NL NL134794A patent/NL71532C/xx active
- 1947-09-27 BE BE476361A patent/BE476361A/fr unknown
- 1947-12-23 CH CH282408A patent/CH282408A/fr unknown
- 1947-12-23 CH CH280207D patent/CH280207A/fr unknown
1950
- 1950-10-01 DE DEE2641A patent/DE848154C/de not_active Expired

Also Published As

Publication number	Publication date
FR950287A (fr)	1949-09-22
US2455170A (en)	1948-11-30
DE848154C (de)	1952-09-01
GB598174A (en)	1948-02-12
CH280207A (fr)	1952-01-15
CH282408A (fr)	1952-04-30
NL71532C (nl)	1953-01-15

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