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:
May. 21, 2019
Filed:
Apr. 07, 2017
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sung-Kyun Kim, Daejeon, KR;
Sung-Kyu Lee, Daejeon, KR;
Tae-Woo Kim, Daejeon, KR;
Joon-Ho Shin, Daejeon, KR;
Yeon-Uk Choo, Daejeon, KR;
Sa-Eun Park, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 7/04 (2006.01); C07C 9/06 (2006.01); C07C 11/04 (2006.01); C07C 11/24 (2006.01); C07C 5/09 (2006.01);
U.S. Cl.
CPC ...
C07C 7/04 (2013.01); C07C 5/09 (2013.01); C07C 9/06 (2013.01); C07C 11/04 (2013.01); C07C 11/24 (2013.01); Y02P 20/124 (2015.11);
Abstract
Provided is a method for preparing ethylene with improved energy efficiency which can reduce energy due to direct heat exchange between processes.