Patent · US Expired

Animal litter comprising gypsum and aluminum sulfate and processes of making same

US6029603A · kind A · utility

10Cited by
14References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 30, 1998
Grant dateFeb 29, 2000
Priority date
Expiry dateApr 30, 2018

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.