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:
Nov. 15, 2016
Filed:
Apr. 30, 2013
Applicant:
Innovia Films Limited, Wigton, Cumbria, GB;
Inventor:
Martin Richard Cockroft, Wigton, GB;
Assignee:
INNOVIA FILMS LIMITED, Wigton, Cumbria, GB;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B 9/00 (2006.01); D01F 2/06 (2006.01); D01F 2/02 (2006.01);
U.S. Cl.
CPC ...
C08B 9/00 (2013.01); D01F 2/06 (2013.01);
Abstract
A process for the manufacture of viscose comprises the steps of: a) providing a non-dissolving pulp as a raw material; b) steeping the pulp in caustic solution; c) processing the steeped pulp; d) steeping the processed steeped pulp for a second time in caustic solution; and e) further processing the pulp from step d) to form a viscose solution.