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:
Oct. 02, 2018
Filed:
Mar. 23, 2016
Applicant:
Johnson Matthey Davy Technologies Limited, London, GB;
Inventors:
Simon Wayne Jackson, Durham, GB;
Adam Armour Snaith, Durham, GB;
Michael William Marshall Tuck, London, GB;
David John Watson, Durham, GB;
Assignee:
Johnson Matthey Davy Technologies Limited, London, England, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 51/10 (2006.01); C07C 51/12 (2006.01); B01J 31/02 (2006.01); B01J 21/08 (2006.01);
U.S. Cl.
CPC ...
C07C 51/12 (2013.01); B01J 21/08 (2013.01); B01J 31/0225 (2013.01); B01J 31/0274 (2013.01);
Abstract
A process for the production of glycolic acid or derivatives thereof from formaldehyde comprising reacting formaldehyde with carbon monoxide and water in the presence of a silica catalyst, wherein from about 200 to about 5000 ppm of an alkyl silyl sulfonic acid is supplied to the reaction.