Method for modifying papermaking sludge and products made from modified papermaking sludge
US5795377A · kind A · utility
27Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1997 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | Aug 5, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Papermaking sludge can be modified to a modeling clay-like consistency by the addition of one or more dispersing agents, such as polyacrylamide. The modified papermaking sludge can be formed into a number of useful products, such as paper sheets or extruded products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.