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:
Sep. 10, 2019
Filed:
Mar. 29, 2017
Applicant:
Gp Cellulose Gmbh, Zug, CH;
Inventors:
Arthur J. Nonni, Peachtree City, GA (US);
Charles E. Courchene, Snellville, GA (US);
Christopher M. Slone, Atlanta, GA (US);
Philip R. Campbell, Salisbury, CT (US);
Steven C. Dowdle, Semmes, AL (US);
Joel M. Engle, Purvis, MS (US);
Assignee:
GP Cellulose GmbH, Zug, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B 9/00 (2006.01); D21H 17/00 (2006.01); D21C 3/26 (2006.01); D21C 9/10 (2006.01); D21C 9/153 (2006.01); D21H 11/04 (2006.01); D21H 11/16 (2006.01); D21H 21/32 (2006.01); D21C 9/147 (2006.01); D21H 13/08 (2006.01); D21H 21/24 (2006.01);
U.S. Cl.
CPC ...
D21H 17/74 (2013.01); D21C 3/263 (2013.01); D21C 9/10 (2013.01); D21C 9/1057 (2013.01); D21C 9/147 (2013.01); D21C 9/153 (2013.01); D21H 11/04 (2013.01); D21H 11/16 (2013.01); D21H 13/08 (2013.01); D21H 21/24 (2013.01); D21H 21/32 (2013.01);
Abstract
A surfactant treated bleached softwood kraft pulp fiber, useful as a starting material in the production of cellulose derivatives including cellulose ether, cellulose esters and viscose, is disclosed. Methods for making the kraft pulp fiber and products made from it are also described.