Polyacrylamide-phosphonate flocculants and methods of making
US5342539A · kind A · utility
2Cited by
19References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 8, 1993 |
| Grant date | Aug 30, 1994 |
| Priority date | — |
| Expiry date | Feb 8, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/928
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Artionic water treatment polymers are obtained by reacting polyacrylamide and phosphorous acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.