http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-2173894-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5d9f3ca41550d315642580237250c5b0 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C8-365 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C8-36 |
| filingDate | 1972-11-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1973-10-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | FR-2173894-A1 |
| titleOfInvention | Heterocyclic complexing agent - replacing thiosulphate in diffusion transfer process giving improved density |
| abstract | Diffusion transfer process using Ag halide complexing agents of general formula: (where m and n are 0-1; Z completes a 5-6 membered heterocycle. The -NH pg has a pKa of 8-16. M is -CH(A) where A is H sulphonic acid, amino, carboxylic acid or 1-10C hydrocarbon. L is as M or -CH(OH)-, -CO-, -CONH-, X1-4 are -N=, AN=, CH2A, C(A)=, -CH(A)= or -C(A)=C(A)-. Pref. cpds are 2-pyrrolidone, 2:3-pyrazine dicarboxamide, 5-amino-(1H)-tetrazole, 4:5 dicarboxyimidazole and 3:5-dicarboxypyrazole. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5494776-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-8607098-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0500045-A1 |
| priorityDate | 1971-11-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 25.