| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_04650c4315071ee8af7d26e3441a53b1 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C211-54 |
| filingDate |
1973-03-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1976-03-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ebc34ad40dee710a759776e776037d91
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c98411fe4d9b8ddfe6b32d7872350bd2 |
| publicationDate |
1976-03-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3943175-A |
| titleOfInvention |
Synthesis of pure 3,3'-diaminobenzidine |
| abstract |
A process for the purification of crude 3,3'-diaminobenzidine comprising contacting it with sulfuric acid. The 3,3'-diaminobenzidine can be produced by the reaction of NH3 and 3,3'-dichlorobenzidine in the presence of various catalysts. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104209130-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0061168-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105111092-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6835854-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4433168-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5235105-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105111092-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2005063679-A1 |
| priorityDate |
1969-10-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |