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:
Aug. 06, 2019
Filed:
Jul. 17, 2015
Applicant:
Tricoya Technologies Ltd, London, GB;
Inventors:
Benjamin Thomas Painter, London, GB;
Stephen John Benstead, London, GB;
Assignee:
Tricoya Technologies Ltd., London, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/46 (2006.01); B01J 19/24 (2006.01); B01D 3/14 (2006.01); C08B 3/06 (2006.01); C07C 51/44 (2006.01); C07C 51/56 (2006.01); C08H 8/00 (2010.01); B27K 3/34 (2006.01);
U.S. Cl.
CPC ...
C07C 51/46 (2013.01); B01D 3/14 (2013.01); B01J 19/245 (2013.01); C07C 51/44 (2013.01); C07C 51/56 (2013.01); C08B 3/06 (2013.01); C08H 8/00 (2013.01); B01J 2219/24 (2013.01); B27K 3/346 (2013.01); Y02E 50/14 (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 combining acetic acid obtained from distillation of acetylation fluid with a residual aqueous acetic acid stream as obtained from ketene production.