| Predicate |
Object |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H21-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H17-68
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H17-45
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01B33-143 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-59
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-37
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-28
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-45
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01B33-143
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J13-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H21-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-68
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-63 |
| filingDate |
1989-09-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1991-11-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0359552-A3 |
| titleOfInvention |
Polysilicate microgels as retention/drainage aids in papermaking |
| abstract |
The use of anionic polysilicate microgels with an organic npolymer to flocculate pulp and filler fines, such that water removal nis easier and fines retention is greater. |
| priorityDate |
1988-09-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |