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. 30, 2023
Filed:
Oct. 29, 2020
Applicant:
SK Innovation Co., Ltd., Seoul, KR;
Inventors:
Sang Il Lee, Daejeon, KR;
Ji Hoon Lee, Daejeon, KR;
Young Eun Cheon, Daejeon, KR;
Yeon Ho Kim, Daejeon, KR;
Assignee:
SK Innovation Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/66 (2006.01); B01J 29/80 (2006.01); B01J 21/04 (2006.01); B01J 23/62 (2006.01); B01J 27/045 (2006.01); B01J 27/051 (2006.01); B01J 29/22 (2006.01); B01J 29/26 (2006.01); B01J 29/44 (2006.01); B01J 29/48 (2006.01); B01J 29/78 (2006.01); B01J 37/00 (2006.01); B01J 37/04 (2006.01); B01J 37/16 (2006.01); B01J 37/20 (2006.01); B01J 37/30 (2006.01); C07C 4/18 (2006.01); C07C 6/12 (2006.01); C07C 5/22 (2006.01); C07C 4/06 (2006.01); C07C 15/08 (2006.01); C10G 35/095 (2006.01); B01J 29/06 (2006.01);
U.S. Cl.
CPC ...
B01J 29/80 (2013.01); B01J 21/04 (2013.01); B01J 23/626 (2013.01); B01J 27/045 (2013.01); B01J 27/0515 (2013.01); B01J 29/22 (2013.01); B01J 29/26 (2013.01); B01J 29/44 (2013.01); B01J 29/48 (2013.01); B01J 29/7815 (2013.01); B01J 37/0018 (2013.01); B01J 37/04 (2013.01); B01J 37/16 (2013.01); B01J 37/20 (2013.01); B01J 37/30 (2013.01); C07C 2/66 (2013.01); C07C 4/06 (2013.01); C07C 4/18 (2013.01); C07C 5/222 (2013.01); C07C 6/123 (2013.01); C07C 6/126 (2013.01); C07C 15/08 (2013.01); C10G 35/095 (2013.01); B01J 2029/062 (2013.01); B01J 2229/186 (2013.01); C07C 2521/04 (2013.01); C07C 2523/28 (2013.01); C07C 2523/36 (2013.01); C07C 2523/42 (2013.01); C07C 2523/62 (2013.01); C07C 2529/18 (2013.01); C07C 2529/22 (2013.01); C07C 2529/26 (2013.01); C07C 2529/44 (2013.01); C07C 2529/74 (2013.01); C07C 2529/78 (2013.01); C07C 2529/80 (2013.01); C10G 2400/30 (2013.01); Y02P 20/52 (2015.11);
Abstract
Disclosed are a catalyst and a preparation method therefor, the catalyst being able to maintain a high production yield of C8 aromatic hydrocarbons in the process of converting a feedstock containing alkyl aromatics to C8 aromatic hydrocarbons such as mixed xylene through disproportionation/transalkylation/dealkylation while reducing a content of ethylbenzene in the products.