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. 17, 2017
Filed:
Jun. 27, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Won Jae Lee, Daejeon, KR;
Yong-Jin Choe, Daejeon, KR;
Hyun Nam, Daejeon, KR;
Myungjin Kong, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/41 (2006.01); B01J 23/66 (2006.01); B01J 23/68 (2006.01); C07C 29/60 (2006.01); C07C 51/25 (2006.01); C07C 51/377 (2006.01); B01J 23/52 (2006.01);
U.S. Cl.
CPC ...
C07C 51/41 (2013.01); B01J 23/66 (2013.01); B01J 23/68 (2013.01); C07C 29/60 (2013.01); C07C 51/25 (2013.01); C07C 51/377 (2013.01); B01J 23/52 (2013.01);
Abstract
Disclosed is a method of preparing acrylic acid from glycerol, including: (a) preparing products including allyl alcohol from reactants including glycerol and carboxylic acid; (b) adding a heterogeneous catalyst and a basic solution to the product including allyl alcohol and then performing oxidation, thus preparing a mixture composed of 3-hydroxypropionic acid and acrylic acid; (c) dehydrating 3-hydroxypropionic acid of the mixture composed of 3-hydroxypropionic acid and acrylic acid, thus producing acrylic acid.