GB1327035A - Development of photographic material - Google Patents
Development of photographic materialInfo
- Publication number
- GB1327035A GB1327035A GB5256769A GB1327035DA GB1327035A GB 1327035 A GB1327035 A GB 1327035A GB 5256769 A GB5256769 A GB 5256769A GB 1327035D A GB1327035D A GB 1327035DA GB 1327035 A GB1327035 A GB 1327035A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hydroxylamine
- aryl
- alkyl
- development
- pyrazolidinone
- 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
- G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
- G03C8/02—Photosensitive materials characterised by the image-forming section
- G03C8/04—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of inorganic or organo-metallic compounds derived from photosensitive noble metals
- G03C8/06—Silver salt diffusion transfer
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Hydrogenated Pyridines (AREA)
Abstract
1327035 Photographic development; diffusion transfer process AGFAGEVAERT 2 Oct 1970 [27 Oct 1969] 52567/69 Heading G2C An exposed photographic silver halide emulsion layer is developed by treating the layer with an aqueous alkaline hydroxylamine developing agent solution in the presence of a 1-aryl-3-pyrazolidinone of the formula: - where R 1 is aryl which may be substituted, each of R 2 and R 3 is H, alkyl, aralkyl or aryl and R 4 is H, alkyl, alkoxy, aralkoxy or aryloxy. The hydroxylamine developing agents include hydroxylamine itself, N-alkyl and N:N-dlalkyl-hydroxylamines and heterocyclic hydroxylamines e.g. N-hydroxypiperidine. The pyrazolidinone and hydroxylamine may each be present in the developer solution or in the light-sensitive material, and the development may form part of a silver salt diffusion transfer process.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5256769 | 1969-10-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1327035A true GB1327035A (en) | 1973-08-15 |
Family
ID=10464417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5256769A Expired GB1327035A (en) | 1969-10-27 | 1969-10-27 | Development of photographic material |
Country Status (7)
Country | Link |
---|---|
US (1) | US3740221A (en) |
JP (1) | JPS4913580B1 (en) |
BE (1) | BE757904A (en) |
CA (1) | CA985945A (en) |
FR (1) | FR2065920A5 (en) |
GB (1) | GB1327035A (en) |
NL (1) | NL7015734A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5633698B2 (en) * | 1972-03-10 | 1981-08-05 | ||
US4367279A (en) * | 1974-09-06 | 1983-01-04 | Eastman Kodak Company | Silver halide complexing agents of sulfones, nitriles, and onium salts |
US4040832A (en) * | 1975-07-02 | 1977-08-09 | Polaroid Corporation | Pyrazolidone type developing agents |
US4266002A (en) * | 1978-10-02 | 1981-05-05 | Eastman Kodak Company | Substituted 1-phenyl-3-pyrazolidinone electron transfer agents |
US4209580A (en) * | 1978-10-02 | 1980-06-24 | Eastman Kodak Company | Substituted 1-phenyl-3-pyrazolidinone electron transfer agents |
US5300514A (en) * | 1990-07-17 | 1994-04-05 | Eli Lilly And Company | Pyrazolidinone CCK and gastrin antagonists and pharmaceutical formulations thereof |
JPH08262673A (en) * | 1995-03-22 | 1996-10-11 | Fuji Photo Film Co Ltd | Image forming method by silver salt diffusion transfer |
-
0
- BE BE757904D patent/BE757904A/xx unknown
-
1969
- 1969-10-27 GB GB5256769A patent/GB1327035A/en not_active Expired
-
1970
- 1970-09-14 JP JP45080858A patent/JPS4913580B1/ja active Pending
- 1970-10-02 FR FR7035810A patent/FR2065920A5/fr not_active Expired
- 1970-10-05 CA CA094,826A patent/CA985945A/en not_active Expired
- 1970-10-07 US US00078919A patent/US3740221A/en not_active Expired - Lifetime
- 1970-10-27 NL NL7015734A patent/NL7015734A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2065920A5 (en) | 1971-08-06 |
NL7015734A (en) | 1971-03-25 |
US3740221A (en) | 1973-06-19 |
CA985945A (en) | 1976-03-23 |
JPS4913580B1 (en) | 1974-04-01 |
BE757904A (en) | 1971-04-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
PLNP | Patent lapsed through nonpayment of renewal fees |