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. 15, 2024
Filed:
Mar. 23, 2021
Applicant:
Arkema France, Colombes, FR;
Inventors:
Serge Tretjak, Saint Avold, FR;
Aurelien Huve, Saint Avold, FR;
Assignee:
Arkema France, Colombes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/44 (2006.01); B01D 3/14 (2006.01); B01D 3/34 (2006.01); B01D 3/42 (2006.01); C07C 51/46 (2006.01); C07C 57/04 (2006.01);
U.S. Cl.
CPC ...
C07C 51/44 (2013.01); B01D 3/143 (2013.01); B01D 3/34 (2013.01); B01D 3/4205 (2013.01); C07C 51/46 (2013.01); C07C 57/04 (2013.01);
Abstract
The invention relates to a process for the continuous production of acrylic acid, in the absence of organic solvent and in the absence of chemical treatment of the aldehydes, and without employing a dividing-wall column, from a gaseous reaction mixture comprising acrylic acid obtained by gas-phase oxidation of a precursor of acrylic acid.