http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-840760-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5c24684033fba97d1ad845ce453a57e3 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B5-62 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B5-62 |
| filingDate | 1957-10-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1960-07-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-840760-A |
| titleOfInvention | New dyestuff of the perylene tetracarboxylic acid series |
| abstract | The invention comprises a red dyestuff of the formula: <FORM:0840760/IV (c)/1> and a process for making it by condensing penylene-3 : 4 : 9 : 10-tetracarboxylic acid or its anhydride with 4-aminodiphenyl. In examples, the anhydride is used and the condensation conducted in the presence of (1) concentrated hydrochloric acid and quinoline, and (2) dilute sulphuric acid. Specification 659,529 also is referred to. |
| priorityDate | 1956-10-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 20.