| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_00a2b272f5636496b0b8ad8c41a7a922 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S162-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H17-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H17-07 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H21-02 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-07
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-02 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H21-02 |
| filingDate |
1988-04-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1991-09-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1761e8413cf39d2a12d9ab4692ad062e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_17f9b92463d9a8c4c658ca0e5e34b20d |
| publicationDate |
1991-09-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-1288907-C |
| titleOfInvention |
Pitch control aid |
| abstract |
ABSTRACT PITCH CONTROL AID A method of controlling pitch in an aqueous system involved in paper making as described which comprises adding a cationically modified tannin to the system. |
| priorityDate |
1987-05-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |