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. 28, 2020
Filed:
Nov. 14, 2014
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Laurent Garel, Lyons, FR;
Flavie Sarrazin, Talence, FR;
Olivier Back, Lyons, FR;
Kevin Olivon, Anglet, FR;
Mathieu Pucheault, Camblanes et Meynac, FR;
Assignee:
RHODIA OPERATIONS, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 51/367 (2006.01); C07C 45/39 (2006.01);
U.S. Cl.
CPC ...
C07C 51/367 (2013.01); C07C 45/39 (2013.01);
Abstract
A process for preparing an aromatic compound or compounds where at least one mandelic group —CHOH—COOH is described, comprising a reaction for condensation of at least one aromatic compound with glyoxylic acid or derivatives thereof, wherein said condensation reaction is carried out substantially in the absence of any acid or any base added to the reaction medium. The condensation reaction is followed by an oxidation reaction in order to obtain aromatic aldehyde.