| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_ffb3c3601402416f26457a75965d70ca |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-54 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F1-54 |
| filingDate |
1982-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fc0df7e0aa63e97d21d40b596ded394d |
| publicationDate |
1983-03-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0074776-A2 |
| titleOfInvention |
Process of treating bio-sludge |
| abstract |
There is disclosed a method of dewatering biosludge which comprises adding to the sludge an effective amount for the purpose of a copolymer having a cationic charge density of from 80 to 90%, preferably 90%. A preferred copolymer is an acrylamide/dimethylaminoethylmethacrylate methylchloride copolymer having a cationic charge density of 90%. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8518267-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2439178-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2013089945-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-102010041582-A1 |
| priorityDate |
1981-09-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |