Polyamidepolyamine and polyanionic polymer pretreated non-cellulosic carrier adsorption agents
US3997483A · kind A · utility
9Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1974 |
| Grant date | Dec 14, 1976 |
| Priority date | — |
| Expiry date | Oct 31, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G81/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An adsorption material for the purification of industrial effluents which comprises a non-cellulosic carrier pretreated with a polymer associate of a basic, nitrogenous polymer with a polyanionic polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.