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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.:

US 9925525 B1

PDFFull Text
Date of Patent:
Mar. 27, 2018

Filed:

Nov. 18, 2014

Bismuth molybdate-based catalyst having zeolite coating layer, method of preparing the same, and method of preparing 1,3-butadiene using the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Dae Heung Choi, Daejeon, KR;

Dong Hyun Ko, Daejeon, KR;

Jun Han Kang, Daejeon, KR;

Kyong Yong Cha, Daejeon, KR;

Dae Chul Kim, Daejeon, KR;

Joo Hyuck Lee, Daejeon, KR;

Hyun Seok Nam, Daejeon, KR;

Myung Ji Suh, Daejeon, KR;

Ye Seul Hwang, Daejeon, KR;

Jun Kyu Han, Daejeon, KR;

Sang Jin Han, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

Dentons US LLP

Primary Examiner:

Douglas B Call

Int. Cl.
CPC ...
B01J 23/887 (2006.01); C07C 5/48 (2006.01); B01J 37/02 (2006.01); B01J 29/04 (2006.01); B01J 35/02 (2006.01); B01J 23/31 (2006.01); B01J 23/00 (2006.01); B01J 29/076 (2006.01); B01J 29/26 (2006.01); B01J 29/48 (2006.01); B01J 29/78 (2006.01);
U.S. Cl.
CPC ...
B01J 23/8876 (2013.01); B01J 23/002 (2013.01); B01J 23/31 (2013.01); B01J 29/04 (2013.01); B01J 29/076 (2013.01); B01J 35/026 (2013.01); B01J 37/0221 (2013.01); B01J 37/0236 (2013.01); B01J 37/0246 (2013.01); C07C 5/48 (2013.01); B01J 29/26 (2013.01); B01J 29/48 (2013.01); B01J 29/7807 (2013.01); B01J 29/7815 (2013.01); B01J 2229/64 (2013.01); B01J 2523/00 (2013.01); C07C 2523/04 (2013.01); C07C 2523/28 (2013.01); C07C 2523/31 (2013.01); C07C 2523/745 (2013.01); C07C 2523/75 (2013.01); C07C 2523/887 (2013.01);
Abstract

The present invention relates to a bismuth molybdate-based composite oxide catalyst having a microporous zeolite coating layer on the surface thereof and thus having high selectivity for 1,3-butadiene, a method of preparing the same, and a method of preparing 1,3-butadiene using the same. The catalyst has a microporous zeolite coating layer, and thus enables only gaseous products (light) to selectively pass through the zeolite coating layer, improving selectivity for 1,3-butadiene.

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