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. 20, 2018
Filed:
Jun. 09, 2016
Applicant:
Akzo Nobel Chemicals International B.v., Arnhem, NL;
Inventors:
Lars Magnus Tollin, Skoghall, SE;
Cornelis Kooijman, Deventer, NL;
Assignee:
Akzo Nobel Chemicals International B.V., Arnhem, NL;
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/377 (2006.01);
U.S. Cl.
CPC ...
C07C 51/377 (2013.01); C07C 51/377 (2013.01); C07C 53/16 (2013.01);
Abstract
The present invention is directed to a process for catalytic hydrodechlorination of dichloroacetic acid, wherein hydrogen gas is contacted with a liquid feed comprising dichloroacetic acid and monochloroacetic acid to form a product stream comprising monochloroacetic acid and an off gas stream comprising hydrogen chloride and hydrogen, and wherein the product stream is contacted with nitrogen gas so as to remove hydrogen gas present in the product stream.