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:
Jan. 01, 2019
Filed:
Jul. 17, 2015
Applicant:
Tricoya Technologies Ltd, London, GB;
Inventor:
Stephen John Benstead, London, GB;
Assignee:
Tricoya Technologies Ltd., Windsor, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B27K 3/34 (2006.01); B05D 7/06 (2006.01); B27K 3/36 (2006.01); B27K 3/10 (2006.01); C07C 51/56 (2006.01); C07C 51/573 (2006.01); C07C 51/44 (2006.01);
U.S. Cl.
CPC ...
B27K 3/346 (2013.01); B05D 7/06 (2013.01); B27K 3/10 (2013.01); B27K 3/36 (2013.01); C07C 51/44 (2013.01); C07C 51/56 (2013.01); C07C 51/573 (2013.01); B05D 2203/20 (2013.01); B27K 2240/70 (2013.01);
Abstract
Disclosed is the integration of the production of acetic anhydride from ketene, and the acetylation of wood using acetylation fluid comprising acetic acid and acetic anhydride. The invention involves recovering acetylation fluid from wood acetylation, and sending this to an acetic anhydride distillation unit belonging to the acetic anhydride production plant.