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. 09, 2018
Filed:
Aug. 13, 2014
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 3/00 (2006.01); B01D 11/04 (2006.01); C07C 51/44 (2006.01); B01D 3/40 (2006.01); B01D 3/14 (2006.01);
U.S. Cl.
CPC ...
B01D 11/0488 (2013.01); B01D 3/00 (2013.01); B01D 3/143 (2013.01); B01D 3/40 (2013.01); B01D 11/04 (2013.01); C07C 51/44 (2013.01);
Abstract
This disclosure relates to a method of 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 effectively remove scum, thus enabling stable operation of the continuous process.