CH302938A - Process for the production of color images in photographic layers. - Google Patents

Process for the production of color images in photographic layers.

Info

Publication number: CH302938A
Authority: CH; Switzerland
Prior art keywords: production; color images; photographic layers; photographic; layers
Prior art date: 1950-07-22

Application number

Other languages

German (de)

Inventor

Corporation General Anili Film

Original Assignee

Gen Aniline & Film Corp

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.)

1950-07-22

Filing date

1951-07-21

Publication date

1954-11-15

1951-07-21 Application filed by Gen Aniline & Film Corp filed Critical Gen Aniline & Film Corp

1954-11-15 Publication of CH302938A publication Critical patent/CH302938A/en

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
- G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)

CH302938D 1950-07-22 1951-07-21 Process for the production of color images in photographic layers. CH302938A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US175467A US2627461A (en)	1950-07-22	1950-07-22	Indophenazines as catalysts in dye bleach baths for color photography

Publications (1)

Publication Number	Publication Date
CH302938A true CH302938A (en)	1954-11-15

Family

ID=22640327

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH302938D CH302938A (en)	1950-07-22	1951-07-21	Process for the production of color images in photographic layers.

Country Status (6)

Country	Link
US (1)	US2627461A (en)
BE (1)	BE504761A (en)
CH (1)	CH302938A (en)
DE (1)	DE902220C (en)
FR (1)	FR1048365A (en)
GB (1)	GB687768A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE622121A (en) *	1961-09-06
NL297895A (en) *	1962-09-14
CH644459A5 (en) *	1978-09-29	1984-07-31	Ciba Geigy Ag	METHOD FOR PRODUCING COLOR PHOTOGRAPHIC IMAGES AFTER THE SILVER COLORING METHOD.
US4393208A (en) *	1982-03-29	1983-07-12	Norwich Eaton Pharmaceuticals, Inc.	5-Methyl-2-trifluoromethylindolo[2,3-b]quinoxaline
AU673258B2 (en) *	1993-04-22	1996-10-31	Taisho Pharmaceutical Co., Ltd.	Indolo(2,3-b)quinoxaline derivative

0
- BE BE504761D patent/BE504761A/xx unknown
1950
- 1950-07-22 US US175467A patent/US2627461A/en not_active Expired - Lifetime
1951
- 1951-07-16 GB GB16817/51A patent/GB687768A/en not_active Expired
- 1951-07-21 CH CH302938D patent/CH302938A/en unknown
- 1951-07-22 DE DEG6603A patent/DE902220C/en not_active Expired
- 1951-07-23 FR FR1048365D patent/FR1048365A/en not_active Expired

Also Published As

Publication number	Publication date
US2627461A (en)	1953-02-03
BE504761A (en)
DE902220C (en)	1954-01-21
FR1048365A (en)	1953-12-22
GB687768A (en)	1953-02-18

Similar Documents

Publication	Publication Date	Title
CH278309A (en)	1951-10-15	Process for the direct production of positive photographic images.
CH356356A (en)	1961-08-15	Process for the production of multicolor photographic images
CH282754A (en)	1952-05-15	Process for the direct production of positives.
CH258610A (en)	1948-12-15	Process for making dye images.
CH294364A (en)	1953-11-15	Process for the direct production of positives.
CH277685A (en)	1951-09-15	Process for the production of multicolor diazo prints.
CH302938A (en)	1954-11-15	Process for the production of color images in photographic layers.
CH295104A (en)	1953-12-15	Process for the photomechanical production of images and printing forms.
CH294685A (en)	1953-11-30	Process for the production of α-manganese dioxide.
CH329758A (en)	1958-05-15	Process for the production of photographic images
CH334907A (en)	1958-12-15	Process for the preparation of polyazo dyes
CH314328A (en)	1956-06-15	Process for the preparation of polyazo dyes
CH297873A (en)	1954-04-15	Process for the direct production of positives.
CH296916A (en)	1954-02-28	Process for making photographic registrations.
CH264319A (en)	1949-10-15	Process for making photographic images.
CH318211A (en)	1956-12-31	Process for the production of tanning images
CH291535A (en)	1953-06-30	Process for the direct production of positives.
AT179196B (en)	1954-07-26	Process for the production of color positive images
AT173613B (en)	1953-01-10	Process for making color photographs
CH301470A (en)	1954-09-15	Process for producing monochrome or multicolor photographic images.
CH286149A (en)	1952-10-15	Process for the production of photographic images, in particular multicolored paper images.
CH300332A (en)	1954-07-31	Process for the production of B-phenyl-ethanol.
CH289382A (en)	1953-03-15	Process for the production of chromo and art paper.
CH302171A (en)	1954-10-15	Process for producing permanent color photographic images.
AT175791B (en)	1953-08-10	Process for the direct production of positives