Process for the preparation of absorbent materials
US6260511A · kind A · utility
14Cited by
29References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 24, 1996 |
| Grant date | Jul 17, 2001 |
| Priority date | — |
| Expiry date | Jan 24, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/4887
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods are provided for preparing absorbent material, comprising providing non-broken down and uncut recycled fiber sludge having a moisture content of greater than about 40%; pelletizing said recycled fiber sludge to form wet pellets; and drying said wet pellets. The absorbent material is particularly useful as an industrial-grade waste liquid absorbent and/or an animal litter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.