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. 07, 2025
Filed:
Jul. 02, 2020
Lg Chem, Ltd., Seoul, KR;
Yeon Uk Choo, Daejeon, KR;
Sung Kyu Lee, Daejeon, KR;
Joon Ho Shin, Daejeon, KR;
Hyoung Jun, Daejeon, KR;
Chan Hyu Jin, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
The present disclosure relates to a preparation system and a preparation method of a diester-based composition. A first alcohol which is a reaction raw material is added to waste water as an extracting agent, and layer separation is performed to separate a second alcohol which is another reaction raw material in the waste water. Accordingly, the amount of alcohol discharged as waste water can be reduced, and an eco-friendly process operation is possible. In addition, it is economical and efficiency to use the alcohol separated again as a reaction raw material.