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:
Mar. 11, 2008
Filed:
Jan. 03, 2003
Jung Hwa Kang, Seoul, KR;
Won Ho Lee, Daejun, KR;
Min Ho Kil, Pusan, KR;
Hyun Jong Shin, Chulranam-Do, KR;
Byung Yul Choi, Seoul, KR;
Yeon Shick Yoo, Chulranam-Do, KR;
Young Hyun Choe, Chulranam-Do, KR;
Ju Yeon Park, Chulranam-Do, KR;
Jung Hwa Kang, Seoul, KR;
Won Ho Lee, Daejun, KR;
Min Ho Kil, Pusan, KR;
Hyun Jong Shin, Chulranam-Do, KR;
Byung Yul Choi, Seoul, KR;
Yeon Shick Yoo, Chulranam-Do, KR;
Young Hyun Choe, Chulranam-Do, KR;
Ju Yeon Park, Chulranam-Do, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
The present invention relates to a method for preparing a catalyst for partial oxidation of propylene, particularly a method for preparing a catalyst for preparing an acrylic acid, using an organic acid such as a citric acid, maleic acid and oxalic acid. The complex oxide catalyst according to the invention, when used in the gas phase catalytic oxidation of propylene, may produce acrolein in high yield.