The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 20, 1993
Filed:
Nov. 21, 1991
Applicant:
Inventors:
R Scott Stephens, Auburn, WA (US);
John A Westland, Bothell, WA (US);
Douglas R Shaw, Salt Lake City, UT (US);
Assignee:
Weyerhaeuser Company, Tacoma, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75303 ;
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.