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. 19, 2025
Filed:
May. 16, 2022
Applicants:
Mengkui Luo, Auburn, WA (US);
Venketa Panganathan Parthasarathy, Pooler, GA (US);
Inventors:
Mengkui Luo, Auburn, WA (US);
Venketa Panganathan Parthasarathy, Pooler, GA (US);
Assignee:
INTERNATIONAL PAPER COMPANY, Memphis, TN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21C 9/14 (2006.01); D21C 9/10 (2006.01); D21H 11/04 (2006.01); D21H 11/16 (2006.01); D21H 13/08 (2006.01); D21H 21/08 (2006.01);
U.S. Cl.
CPC ...
D21H 11/16 (2013.01); D21C 9/1026 (2013.01); D21C 9/144 (2013.01); D21H 11/04 (2013.01); D21H 13/08 (2013.01); D21H 21/08 (2013.01);
Abstract
Compositions including treated Kraft pulp, useful for making rayon fibers, having a lower degree of polymerization, a high R18, a low hemicellulose content, and high reactivity, are described. Methods of making the compositions are also described.