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.

Date of Patent:
Mar. 16, 2004

Filed:

Sep. 18, 2001
Applicant:
Inventors:

Mengkui Luo, Tacoma, WA (US);

Vincent A. Roscelli, Edgewood, WA (US);

Amar N. Neogi, Seattle, WA (US);

Assignee:

Weyerhaeuser Company, Federal Way, WA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B 1/600 ; A01N 4/304 ; D21F 1/100 ; D21H 1/100 ;
U.S. Cl.
CPC ...
C08B 1/600 ; A01N 4/304 ; D21F 1/100 ; D21H 1/100 ;
Abstract

The present invention is directed to a pulp useful for making lyocell fibers. The pulp has a degree of polymerization from about 300 to about 1000; an alpha cellulose content of less than about 90% and in one instance can be made in a roll form. The degree of polymerization can be modified by acid hydrolysis, steam explosion; or alkaline enzymate degradation.


Find Patent Forward Citations

Quick Actions:

Luo, Mengkui. (2004). Cellulosic pulp having low degree of polymerization values (U.S. Patent No. 6706876). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6706876

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…