| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0e759368252958400591adc79b18e9bb |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-54 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F6-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F226-06 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F212-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F26-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F212-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F6-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F6-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F226-06 |
| filingDate |
1989-07-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1990-02-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_33e5c71c83cd11b4b4bfcfcdcbac6914
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e48a3e2e8732d2bdad5ecbda0f0b91ee
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b13cfbd6e08dc5d09691236bfb34cb0a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f297e32afa4ecb6aad056b1ca96e04f1 |
| publicationDate |
1990-02-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4902780-A |
| titleOfInvention |
Process for purifying styrene/vinylpyridine copolymer using supercritical carbon dioxide |
| abstract |
A basic copolymer of styrene with vinylpyridine is purified by extraction with supercritical carbon dioxide to remove residual monomers. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-0218459-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5670614-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5210149-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6429284-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5478921-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-0023503-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2004106720-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6369192-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10723858-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5149775-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5376744-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5304610-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6180755-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6248797-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110248967-A |
| priorityDate |
1987-02-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |