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:
Dec. 30, 2014
Filed:
Mar. 01, 2012
Applicants:
Thomas S. Garrett, Narrows, VA (US);
Lawton E. Kizer, Blacksburg, VA (US);
Henry P. Stogner, Bluefield, WV (US);
Inventors:
Thomas S. Garrett, Narrows, VA (US);
Lawton E. Kizer, Blacksburg, VA (US);
Henry P. Stogner, Bluefield, WV (US);
Assignee:
Celanese Acetate LLC, Irving, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 1/10 (2006.01); D21H 17/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
Processing of cellulose, and more particularly, fiber opening and downstream processing and chemistry are provided. A process includes moistening a cellulose sheet stock to a water content in a range from about 20% to about 50%, attriting the moistened cellulose sheet to a wet pulp, flash drying the wet pulp to a floccule of cellulose having a moisture content from about 4% to about 8%, and esterifying the floccule of cellulose to provide a cellulose ester product.