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:
Dec. 19, 2023
Filed:
Jul. 07, 2021
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Wonseok Kim, Daejeon, KR;
Yujin An, Daejeon, KR;
Hyunchul Jung, Daejeon, KR;
Sae Hume Park, Daejeon, KR;
Wan Kyu Oh, Daejeon, KR;
Dongmin Kim, Daejeon, KR;
Kyeong Hwan Han, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 255/08 (2006.01); B01J 31/02 (2006.01); C07C 253/30 (2006.01); C07C 253/34 (2006.01); C07C 255/09 (2006.01);
U.S. Cl.
CPC ...
C07C 255/08 (2013.01); B01J 31/0267 (2013.01); C07C 253/30 (2013.01); C07C 253/34 (2013.01); C07C 255/09 (2013.01);
Abstract
A method for preparing an acrylonitrile dimer according to the present disclosure makes it is possible to efficiently recover an acrylonitrile dimerization catalyst while reducing the process load.