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:
Feb. 04, 2014
Filed:
Jun. 30, 2008
Applicant:
S Ananda Weerawarna, Seattle, WA (US);
Inventor:
S Ananda Weerawarna, Seattle, WA (US);
Assignee:
Weyerhaeuser NR Company, Federal Way, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 11/00 (2006.01); D21H 11/00 (2006.01); A61K 9/50 (2006.01); C08B 30/04 (2006.01); D21C 3/00 (2006.01); A61K 6/083 (2006.01); A61K 8/72 (2006.01); B01J 20/00 (2006.01); D21H 19/60 (2006.01); B27N 3/00 (2006.01); C08H 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for making particles containing carboxyalkyl cellulose, comprising blending a carboxyalkyl cellulose and a starch in water to provide an aqueous gel; treating the aqueous gel with a crosslinking agent to provide a crosslinked gel; drying the crosslinked gel to provide a solid; comminuting the solid to provide a plurality of particles.