Patent · US Expired

Agglomeration of particulate materials with reticulated cellulose

US5228900A · kind A · utility

39Cited by

6References

21Claims

0Family size

Assignee

Weyerhaeuser NR Company · US

Inventors

R. Scott Stephens · Auburn, US
John A. Westland · Auburn, US
Douglas R. Shaw · Cambridge, US

Key dates

Filing date	Nov 21, 1991
Grant date	Jul 20, 1993
Priority date	—
Expiry date	Nov 21, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2006/90
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Particulate materials, particularly fine particles of clay animal litter, are agglomerated using a reticulated cellulose product formed by growing Acetobacter. Treatment with such reticulated cellulose also enhances the liquid absorbency of particulate materials.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.