GB641405A - Photographic developer containing a negatively substituted aralkylamine and process of development - Google Patents
Photographic developer containing a negatively substituted aralkylamine and process of developmentInfo
- Publication number
- GB641405A GB641405A GB22075/48A GB2207548A GB641405A GB 641405 A GB641405 A GB 641405A GB 22075/48 A GB22075/48 A GB 22075/48A GB 2207548 A GB2207548 A GB 2207548A GB 641405 A GB641405 A GB 641405A
- Authority
- GB
- United Kingdom
- Prior art keywords
- development
- developer containing
- photographic developer
- negatively substituted
- substituted aralkylamine
- 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
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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/305—Additives other than developers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US786816A US2496903A (en) | 1947-11-18 | 1947-11-18 | Photographic developer containing a negatively substituted aralkylamine and process of development |
Publications (1)
Publication Number | Publication Date |
---|---|
GB641405A true GB641405A (en) | 1950-08-09 |
Family
ID=25139663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22075/48A Expired GB641405A (en) | 1947-11-18 | 1948-08-21 | Photographic developer containing a negatively substituted aralkylamine and process of development |
Country Status (5)
Country | Link |
---|---|
US (1) | US2496903A (fr) |
BE (1) | BE485786A (fr) |
DE (1) | DE848911C (fr) |
FR (1) | FR973438A (fr) |
GB (1) | GB641405A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2605183A (en) * | 1949-11-16 | 1952-07-29 | Gen Aniline & Film Corp | Heterocyclic alkylamines as accelerators for photographic developers |
DE1106444B (de) * | 1955-03-30 | 1961-05-10 | California Research Corp | Verfahren zur Veredelung einer Erdoelfraktion mit verhaeltnismaessig niedrigem Stickstoffgehalt |
US4189319A (en) * | 1975-07-18 | 1980-02-19 | Gaf Corporation | Arginine or salt thereof as a development accelerator of color development of color photographic materials |
AU590563B2 (en) | 1985-05-16 | 1989-11-09 | Konishiroku Photo Industry Co., Ltd. | Method for color-developing a silver halide color photographic light-sensitive material |
DE3681347D1 (de) | 1985-05-31 | 1991-10-17 | Konishiroku Photo Ind | Verfahren zur herstellung eines direkt positiven farbbildes. |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2410644A (en) * | 1943-09-02 | 1946-11-05 | Eastman Kodak Co | Development of photographic emulsions |
-
0
- BE BE485786D patent/BE485786A/xx unknown
-
1947
- 1947-11-18 US US786816A patent/US2496903A/en not_active Expired - Lifetime
-
1948
- 1948-08-21 GB GB22075/48A patent/GB641405A/en not_active Expired
- 1948-10-12 FR FR973438D patent/FR973438A/fr not_active Expired
-
1949
- 1949-01-01 DE DEP29336D patent/DE848911C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE485786A (fr) | |
FR973438A (fr) | 1951-02-09 |
US2496903A (en) | 1950-02-07 |
DE848911C (de) | 1952-09-08 |
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