| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_88fbcd2a70a3c49d0aed69a000d55909 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L2205-02 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L29-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F8-12 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L29-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F8-12 |
| filingDate |
1969-03-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1971-08-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fdf52506b004c60d9b7a8c89431bae9d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_530c753746a46016b0cbc072a4773c06 |
| publicationDate |
1971-08-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3598883-A |
| titleOfInvention |
Polyvinyl alcohol composition |
| abstract |
THIS INVENTION IS A POLYVINYL ALCOHOL COMPOSITION CONSISTING ESSENTIALLY OF A POLYVINYL ALCOHOL PREPARED BY HYDROLYZING A POLYVINYL ESTER IN PRESENCE OF AN ALKALINE CATALYST AND ABOUT 0.1% TO ABOUT 5% BY WEIGHT BASED UPON THE WEIGHT OF POLYVINYL ALCOHOL OF ADDITIVE WHICH IS THE PRODUCT OBTAINED BY HYDROLYZING POLYVINYL ACETATE IN THE PRESENCE OF AN ACIDIC CATALYST IN AN ALCOHOLIC SOLUTION UNTIL ABOUT 20% TO ABOUT 70% MOLAR CONCENTRATION OF ACETYL GROUPS OF POLYVINYL ACETATE ARE HYDROLYZED. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4923922-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4797127-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5342910-A |
| priorityDate |
1968-03-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |