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:
Apr. 06, 1999
Filed:
Jul. 24, 1997
Applicant:
Inventors:
Alan David Stall, Naperville, IL (US);
Albin F Turbak, Sandy Springs, GA (US);
Assignee:
Alfacel s.a., Madrid, ES;
Primary Examiner:
Int. Cl.
CPC ...
D01F / ; D01F / ;
U.S. Cl.
CPC ...
264187 ; 264211 ;
Abstract
The invention provides improvements in processes for film and fiber production involving precipitating cellulose from tertiary amine oxide solutions wherein an ester is incorporated into the solution in an amount sufficient to slow precipitation of the cellulose during separation of the cellulose from the tertiary amine oxide.
Stall, Alan. (1999). Processes for precipitating tertiary amine oxide cellulose solutions (U.S. Patent No. 5891375). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5891375
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile