Hydrophobic oleophilic wood pulp
US4343680A · kind A · utility
31Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1981 |
| Grant date | Aug 10, 1982 |
| Priority date | — |
| Expiry date | Mar 6, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/924
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Treatment of high yield wood pulp which has ether extractives of greater than about 3.0% at temperatures of about 105.degree. C. or higher for at least about 16 hours followed by fluffing of the heat treated pulp results in a relatively inexpensive absorbent for oil spills and the like. The oil is readily recovered from the absorbent or the oil and absorbent may be burned as fuel without separation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.