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. 27, 2016
Filed:
Jun. 08, 2012
Applicant:
Benjamin Painter, Gaffney, SC (US);
Inventor:
Benjamin Painter, Gaffney, SC (US);
Assignee:
Titan Wood Limited, Windsor, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B27K 3/02 (2006.01); B27K 3/08 (2006.01); C08H 8/00 (2010.01); D21C 9/00 (2006.01); D21B 1/02 (2006.01);
U.S. Cl.
CPC ...
D21B 1/021 (2013.01); B27K 3/02 (2013.01); B27K 3/08 (2013.01); C08H 8/00 (2013.01); D21C 9/005 (2013.01);
Abstract
Disclosed is a modified refiner system for the acetylation of wood chip and/or wood fiber. The invention comprises a process for the acetylation of wood chip in a refiner system including a feed hopper component, a non-steam digester component and a refiner (defibrator) component in which the chip is contacted with an acetylating fluid between the hopper and the digester components within a connecting multi-zone compression feed screw.