Process for the purification of industrial effluents
US4306080A · kind A · utility
4Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 9, 1979 |
| Grant date | Dec 15, 1981 |
| Priority date | — |
| Expiry date | Feb 9, 1999 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M13/368
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A novel process for the purification of industrial effluents, wherein the effluents are brought into contact with cationically modified, cellulose-containing materials, the cationic constituent of which is bonded to the cellulose part via the grouping of the general formula EQU --O--CH.sub.2 --N< in which the nitrogen belongs to an amide group of the cationic constituent and the oxygen is bonded to the cellulose part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.