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. 08, 2019
Filed:
Jun. 28, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jong Hun Song, Daejeon, KR;
Se Won Baek, Daejeon, KR;
Sul Hee Yoo, Daejeon, KR;
Yoon Jae Min, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 11/04 (2006.01); B01D 3/00 (2006.01); C07C 51/44 (2006.01); C07C 51/48 (2006.01); B01D 3/14 (2006.01); B01L 3/00 (2006.01); C07C 51/43 (2006.01); C07C 51/47 (2006.01);
U.S. Cl.
CPC ...
C07C 51/44 (2013.01); B01D 3/143 (2013.01); B01D 11/04 (2013.01); B01L 3/00 (2013.01); C07C 51/43 (2013.01); C07C 51/47 (2013.01); C07C 51/48 (2013.01); Y02P 20/57 (2015.11);
Abstract
This disclosure relates to a method for continuous recovery of (meth)acrylic acid and an apparatus used for the recovery method. The method of continuous recovery of (meth)acrylic acid according to the present invention may minimize loss of (meth)acrylic acid particularly in the distillation process, and yet enables stable operation of the distillation process and energy reduction.