| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_bb0a7b16a31bf7bc8b903ed8b717aab6 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C5-3035 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C5-50 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C5-50
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C5-305
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C5-30 |
| filingDate |
1997-09-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1999-02-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_56012027930a1a176293e87327590f7f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_479dfaa09b220e6f0b27d92b48cb9a9b |
| publicationDate |
1999-02-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
DE-19742490-C1 |
| titleOfInvention |
Photographic black and white reversal developer |
| abstract |
Photographic black-and-white (B/W) reversal developer, free from hydroquinone, contains (a) hydroquinone-sulphonic acid (I), (b) a polyglycol (II) with an average molecular weight of 200-600, (c) a 5-alkyl-benzotriazole (III) as antifoggant and (d) an ancillary developer (IV). Also claimed is a method for reversal development of exposed B/W material. |
| priorityDate |
1997-09-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |