| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b58364eac5c9977c057cd4e694ac9342 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-56 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F1-56 |
| filingDate |
1997-09-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b57d63dae4b01483ce7caf49487be231
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_391f91136289494fecb600e354e84751
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a549a7ebb759fe636a28e54cb7a1c49b |
| publicationDate |
1998-05-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
WO-9822398-A1 |
| titleOfInvention |
Methods for sludge dewatering |
| abstract |
The present invention provides a method for dewatering sludge that utilizes the step-wise and sequential addition to the sludge of a cationic polyamine and a cationic polyacrylamide. |
| priorityDate |
1996-11-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |