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:
Aug. 11, 2026
Filed:
Sep. 17, 2021
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Hyun Kyu Kim, Daejeon, KR;
Jeong Ju Moon, Daejeon, KR;
Eun Suk Kim, Daejeon, KR;
Joo Ho Kim, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 67/08 (2006.01); B01J 31/12 (2006.01); C07C 69/82 (2006.01);
U.S. Cl.
CPC ...
C07C 67/08 (2013.01); B01J 31/12 (2013.01); C07C 69/82 (2013.01);
Abstract
The present invention relates to a method for preparing an ester-based composition, the method configured to sequentially operate a plurality of batch reactors and control pressure in each reactor, and the ester-based composition is semi-continuously prepared to have high productivity as well as stability of the batch reactors.