http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1401394-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_99a3e6cf9ae2da50e548d7039dc30f86 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D231-52 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C7-384 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D231-52 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C7-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C7-384 |
| filingDate | 1973-06-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1975-07-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1401394-A |
| titleOfInvention | 1,3-disubstituted pyrazol-5-one colour couplers |
| abstract | 1401394 Photographic pyrazolone magenta colour couplers FILMFABRIK WOLFEN VEB 6 June 1973 [4 July 1972] 26982/73 Heading G2C [Also in Division C2] A colour photographic silver halide material contains a magneta coupler of the formula:- wherein R 1 denotes -H, -Cl, -NO 2 , -ORs or -N(R 5 )R 6 ; R 2 denotes -H, -Cl, -SO 3 H or-COOR 5 ; R3 denotes -H, -Cl, -SO 3 H, -NO 2 , -OR 5 or -COOR 5 ; R 4 denotes -H, -CL, -COOH, -SO 3 H or -OR 5 ; and each of Rs and R6, which may be identical or different, denotes -H, -alkyl, -aryl, -CO-alkyl or -CO-aryl, with the proviso that not more than one of R2, R3 and R4 denotes -SO 3 H. |
| priorityDate | 1972-07-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 18.