| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1c7d818864ce69f0dc8548437f22a997 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2810-50 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F8-44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H17-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H17-36
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H17-455 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-36
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-45
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F8-12 |
| filingDate |
1971-01-29^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1972-11-14^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9028990ab63dd737bb84b95838bf7a68
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e489a6a768aa36ef50f4b8792a5a1693 |
| publicationDate |
1972-11-14^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3702800-A |
| titleOfInvention |
Cationic water-soluble polyvinyl alcohol retention aid |
| abstract |
THIS INVENTION RELATES TO A CATIONIC WATER-SOLUBLE POLYVINYL ALCOHOL PREPARED FROM A WATER-SOLUBLE VINYL ACETATE/ N-VINYL-N-METHYL ACETAMIDE COPOLYMER BY HYDROLYSIS. THE HYDROLYZED COPOLYMER SIGNIFICANTLY ENHANCES THE RETENTION OF PIGMENT PARTICLES BY THE CELLULOSE FIBERS IN A PAPER PULP SLURRY. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0216387-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0216387-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0461399-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0461399-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-03054029-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2007160780-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0337310-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2005019507-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4421602-A |
| priorityDate |
1970-01-26^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |