Process for making an animal litter comprising gypsum, aluminum sulfate and urea
US6206947A · kind A · utility
40Cited by
22References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1999 |
| Grant date | Mar 27, 2001 |
| Priority date | — |
| Expiry date | Dec 30, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/0154
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
There is provided an animal litter composition of agglomerated or compacted calcined calcium sulfate absorbent. The animal litter is screened to a particle size between 6 mesh and about 100 mesh. In another aspect of the invention, an effective amount of a binder such as a clay, lignin or starch is added to the calcium sulfate to assist the calcium sulfate to pelletize. The pelletized calcium sulfate is sized and calcined. The litter compositions are effective in absorbing urine, clumping and are easily disposed of. There is also disclosed processes for making the animal litter compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.