| CLASSIFICATION | CommPat. Market |
| ECOLOGY | See Code 4995 |
| ECONOMY | See Code 4995 |
| MANUFACTURING | See Code 4995 |
| MARKETER'S COUNTRY | USA |
| MECHANISM OF ACTION | See Code 4995 |
| PATENT ASSIGNEE'S COUNTRY | USA |
| PRODUCER'S COUNTRY | USA |
| UPDATE | 08.99 |
| USES | See Code 4995 |
| CONTACT | See Code 4995 |
| MARKETING BY | This data is not available for free |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Method for dewatering sludge comprising - Adding to sludge hydrophilic dispersion copolymer to flo cculate sludge; the copolymer formed by free radical polymn. of acrylamide & dimethylaminoethylacrylate Me chloride quat. salt (cationic monomer); the co-polymn performed in aq salt soln in the presence of (i) dispersant polymer; (ii) chain transfer agent & (iii) free radical initiator Wherein said copolymer has 0.25-99 mole % cationic charge & contains no hydrophobic groups & - Removing flocculated sludge from water |
| PATENT PHOTOCOPY | Available on request |
| PRODUCTION BY | This data is not available for free |
| TRADEMARK | This data is not available for free |
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