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:
Jun. 22, 2021
Filed:
Dec. 19, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jun Kyu Han, Daejeon, KR;
Dong Hyun Ko, Daejeon, KR;
Kyong Yong Cha, Daejeon, KR;
Sang Jin Han, Daejeon, KR;
Sunhwan Hwang, Daejeon, KR;
Seongmin Kim, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 23/80 (2006.01); B01J 37/03 (2006.01); B01J 37/08 (2006.01); C07C 5/48 (2006.01); C07C 11/167 (2006.01);
U.S. Cl.
CPC ...
B01J 23/80 (2013.01); B01J 37/03 (2013.01); B01J 37/08 (2013.01); C07C 5/48 (2013.01); C07C 11/167 (2013.01);
Abstract
Provided is a method for producing a zinc ferrite catalyst, the method comprising: preparing a zinc precursor solution; preparing a ferrite precursor solution; obtaining a first precipitate by bringing the zinc precursor solution into contact with an alkaline solution; obtaining a second precipitate by adding the ferrite precursor solution to the first precipitate; and drying and firing the second precipitate after filtering the second precipitate.