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. 12, 2014
Filed:
Jun. 29, 2007
Applicant:
Mengkui Luo, Auburn, WA (US);
Inventor:
Mengkui Luo, Auburn, WA (US);
Assignee:
Weyerhaeuser NR Company, Federal Way, WA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D02G 3/00 (2006.01); D04H 1/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
Meltblown lyocell fibers incorporating polyolefinic hydrophobic polymers are disclosed. The polymer is distributed fairly uniformly within the fiber and exists as approximately one to two micron diameter domains. The fibers have a high hemicellulose level, show reduced water retention values and have varying diameters depending on processing conditions. The fibers have a brightness of at least 60.