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:
Jul. 14, 2009
Filed:
Oct. 01, 2004
William Barry Thomas, Middlesbrough, GB;
Keith Whiston, Darlington, GB;
Eduardo Cepeda Garcia-verdugo, Nottingham, GB;
Martyn Poliakoff, Nottingham, GB;
Paul Anthony Hamley, Nottingham, GB;
William Barry Thomas, Middlesbrough, GB;
Keith Whiston, Darlington, GB;
Eduardo Cepeda Garcia-Verdugo, Nottingham, GB;
Martyn Poliakoff, Nottingham, GB;
Paul Anthony Hamley, Nottingham, GB;
INVISTA North America S.a.r.l., Wilmington, DE (US);
Abstract
A process for the production of a heteroaromatic carboxylic acid comprising contacting in the presence of a catalyst, a precursor of said carboxylic acid with an oxidant, such contact being effected with said precursor and the oxidant in an aqueous solvent comprising water under supercritical conditions or near supercritical conditions close to the supercritical point.