Absorbent material and litter from ground cellulose
US5352780A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1992 |
| Grant date | Oct 4, 1994 |
| Priority date | — |
| Expiry date | Jun 26, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/32
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Cellulose flakes and methods for making them; in one aspects the flakes useful as animal litter or bedding; in one aspect such used flakes re-pelletized for use as litter, food or fertilizer. Method for absorbing, removing, and for cleaning up a first liquid floating on or in a second liquid, the method employing absorbent pellets which, in preferred embodiments, have a particular size, density, and configuration. A pallet and a method for making the pellet for cleaning up a first liquid floating on or in a second liquid; and a method for making pellets for absorbing a combustible material to produce fuel pellets. A method for producing fuel pellets. In one aspect such materials with surface active agent therein and/or thereon and methods for producing such materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.