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:
Apr. 07, 2009
Filed:
Mar. 31, 2004
Applicants:
Angel Stoyanov, Seattle, WA (US);
R. Scott Stephens, Auburn, WA (US);
Shahrokh A. Naieni, Seattle, WA (US);
Inventors:
Angel Stoyanov, Seattle, WA (US);
R. Scott Stephens, Auburn, WA (US);
Shahrokh A. Naieni, Seattle, WA (US);
Assignee:
Weyerhaeuser NR Company, Federal Way, WA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21C 9/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Bleached polyacrylic acid crosslinked cellulosic fibers, methods for making the fibers, and products including the fibers. The bleached polyacrylic acid crosslinked cellulosic fibers are polyacrylic acid crosslinked cellulosic fibers that have been treated with one or more bleaching agents to provide crosslinked cellulosic fibers having improved whiteness.