| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_cd23c354dd49d149991d5e4d2af08b17 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C10C1-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C10C3-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C10B57-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C10C1-19
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C10C3-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C10C3-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C10C1-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01F9-145 |
| filingDate |
1989-09-05^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1991-01-22^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0c42e306ec1c1369289c484df7ccdd2a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f23835cfe9f2cb8459492d5f2cf26bd9
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_49b3a32be769ecdc671cb245655aa5a3
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_345e30968d2bc84e618ccdd272dff5b3
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_22c48973db1fc92996e851bbda6fc3a4 |
| publicationDate |
1991-01-22^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4986895-A |
| titleOfInvention |
Process for treating coal tar or coal tar pitch |
| abstract |
Pitch substantially free from primary and secondary QI components and solids comprising secondary QI components are prepared by centrifuging coal tar or coal tar pitch at a high temperature, heat-treating the separated supernatant liquid and centrifuging again the liquid at a high temperature. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5534137-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5326457-A |
| priorityDate |
1983-08-29^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |