GB1201571A - Improvements in the processing of colour photographic materials - Google Patents
Improvements in the processing of colour photographic materialsInfo
- Publication number
- GB1201571A GB1201571A GB56901/67A GB5690167A GB1201571A GB 1201571 A GB1201571 A GB 1201571A GB 56901/67 A GB56901/67 A GB 56901/67A GB 5690167 A GB5690167 A GB 5690167A GB 1201571 A GB1201571 A GB 1201571A
- Authority
- GB
- United Kingdom
- Prior art keywords
- processing
- amines
- colour
- photographic materials
- dec
- 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
Links
- 239000000463 material Substances 0.000 title abstract 2
- 150000001412 amines Chemical class 0.000 abstract 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 1
- 239000005977 Ethylene Substances 0.000 abstract 1
- 125000002947 alkylene group Chemical group 0.000 abstract 1
- 238000004061 bleaching Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- -1 silver halide Chemical class 0.000 abstract 1
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
- G03C7/42—Bleach-fixing or agents therefor ; Desilvering processes
- G03C7/421—Additives other than bleaching or fixing agents
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
1,201,571. Photographic colour processing. FUJI SHASHIN FILM K. K. Dec.14, 1967 [Dec.14, 1966], No.56901/67. Heading G2C. Bleaching accelerators for colour processing silver halide materials are amines of formula:- wherein A is C 2-4 alkylene, and n is 0 or an integer. The amines are applied in a concentration of 0À3-50 g.l<SP>-1</SP> after colour development, and before or during bleach-fixing using a Fe(III)-EDTA complex salt. When the amine is in the bleachfixing bath the pH is 6À4-7À1. Preferred amines are those wherein A is ethylene and n is 0-3 or 100.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8196766 | 1966-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1201571A true GB1201571A (en) | 1970-08-12 |
Family
ID=13761253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB56901/67A Expired GB1201571A (en) | 1966-12-14 | 1967-12-14 | Improvements in the processing of colour photographic materials |
Country Status (5)
Country | Link |
---|---|
US (1) | US3578454A (en) |
BE (1) | BE707861A (en) |
DE (1) | DE1597592C3 (en) |
GB (1) | GB1201571A (en) |
NL (1) | NL6717016A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4252892A (en) * | 1979-12-10 | 1981-02-24 | Eastman Kodak Company | Photographic color developer compositions |
-
1967
- 1967-12-12 BE BE707861D patent/BE707861A/xx unknown
- 1967-12-12 DE DE1597592A patent/DE1597592C3/en not_active Expired
- 1967-12-13 US US690068A patent/US3578454A/en not_active Expired - Lifetime
- 1967-12-14 NL NL6717016A patent/NL6717016A/xx unknown
- 1967-12-14 GB GB56901/67A patent/GB1201571A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3578454A (en) | 1971-05-11 |
BE707861A (en) | 1968-04-16 |
DE1597592B2 (en) | 1973-03-22 |
DE1597592A1 (en) | 1970-07-30 |
DE1597592C3 (en) | 1973-10-11 |
NL6717016A (en) | 1968-06-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |