Use of hectorite as a clarification aid for deink plant effluent
US5454955A · kind A · utility
14Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1994 |
| Grant date | Oct 3, 1995 |
| Priority date | — |
| Expiry date | Mar 25, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/928
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Hectorite is utilized in conjunction with a water soluble cationic coagulant to clarify waste water from the deinking of waste paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.