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. 15, 2018
Filed:
Oct. 20, 2015
Lg Chem, Ltd., Seoul, KR;
Sang Jin Han, Daejeon, KR;
Jun Han Kang, Daejeon, KR;
Dong Hyun Ko, Daejeon, KR;
Hyun Seok Nam, Daejeon, KR;
Joo Hyuck Lee, Daejeon, KR;
Jun Kyu Han, Daejeon, KR;
Myung Ji Suh, Daejeon, KR;
Kyong Yong Cha, Daejeon, KR;
Dae Heung Choi, Daejeon, KR;
Ye Seul Hwang, Daejeon, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
Disclosed are a method of preparing conjugated diene and a device therefor. More particularly, disclosed a method of preparing conjugated diene, wherein generated gas including butadiene is cooled and then water discharged at a lower part is not directly treated as waste water and subjected to byproduct removal and steam-extraction to utilize converted steam, and an installation issue of an existing biological waste water disposal equipment due to an excessive amount of byproducts can be resolved, and a device therefor are disclosed.