http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-906034-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_53a8a741999d2650013d775fe727b003 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C5-383 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C5-38 |
| filingDate | 1958-10-28^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1962-09-19^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-906034-A |
| titleOfInvention | Photographic developing and fixing composition and process |
| abstract | 906,034. Photographic developer/fixer compositions. CORMAC CHEMICAL CORPORATION. Oct. 28, 1958 [Oct. 29, 1957], No. 34488/58. Class 98 (2). A combined developer and fixer for photographic silver halide emulsions comprises an aqueous solution of 1 -phenyl-3-pyrazolidone, hydroquinone, sodium sulphite, sodium thiosulphate and, as alkaline buffer, an alkali metal aluminate or a mixture of sodium hydroxide and potassium alum, the pH of the resulting solution being 11 to 12, the ratio of total developer to sodium thiosulphate being from 1 : 2 to 1 : 20 by weight and the ratio of 1-phenyl- 3-pyrazolidone to hydroquinone being 1 : 40 to 1 : 1 by weight. The compositions may also include photographic glycin, potassium bromide and benztriazole or 6-nitrobenzimidazole. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4205124-A |
| priorityDate | 1957-10-29^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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