High molecular weight polyvinylamine hydrochloride as flocculant
US4217214A · kind A · utility
38Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 10, 1978 |
| Grant date | Aug 12, 1980 |
| Priority date | — |
| Expiry date | Oct 10, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/5236
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
High molecular weight polyvinylamine hydrochloride for use as a flocculating agent in waste water systems is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.