Anionic and nonionic dispersion polymers for clarification and dewatering
US6217778A · kind A · utility
36Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1999 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Sep 8, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/928
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
This invention is directed to a method of clarifying and dewatering industrial waste water using anionic and nonionic dispersion polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.