| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_cbb69d97208a8681a9b9788f9c9ee412 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2-44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-56 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-56
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-34 |
| filingDate |
2003-10-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_549d9df9c7103a38bd52e6ac6c93efe5
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bd307e89cd3d883a579982360f5136ab
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0fef0424518e5e4312f99b088623670d |
| publicationDate |
2005-08-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-1567570-A1 |
| titleOfInvention |
Modified polymeric flocculants with improved performance characteristics |
| abstract |
Methods for the preparation of high molecular weight cationic poly(meth) acrylamide/quaternary ammonium salt copolymers are disclosed wherein after at least about 50% of the monomers have been polymerized, a cross-linking agent is then added to the reaction mixture on a continuous basis and in the absence of any feed of chain transfer agent. Cationic copolymers so produced exhibit improved floc formation properties and are useful as flocculants and dewatering aids in aqueous systems that include an oily sludge or the like. |
| priorityDate |
2002-11-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |