Quaternized polyvinylamine water clarification agents
US5292441A · kind A · utility
20Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1993 |
| Grant date | Mar 8, 1994 |
| Priority date | — |
| Expiry date | Jan 12, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/917
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The use of quaternized polyvinylamines for use in water clarification is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.