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:
Aug. 27, 2002
Filed:
Oct. 30, 2001
Applicant:
Inventors:
Mengkui Luo, Tacoma, WA (US);
Vincent A. Roscelli, Edgewood, WA (US);
Amar N. Neogi, Seattle, WA (US);
James E. Sealey, II, Federal Way, WA (US);
Richard A. Jewell, Bellevue, WA (US);
Assignee:
Weyerhaeuser, Federal Way, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 2/902 ;
U.S. Cl.
CPC ...
B32B 2/902 ;
Abstract
The present invention provides lyocell films, having a high hemicellulose content of at least 5%, a low copper number of less than 2, and including cellulose that has a low average degree of polymerization (D.P.) in the range of about 200 to 1100.