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:
Nov. 11, 2014
Filed:
Jun. 04, 2012
Dong-hyun Ko, Daejeon, KR;
Sung-shik Eom, Daejeon, KR;
Moo-ho Hong, Daejeon, KR;
O-hak Kwon, Daejeon, KR;
Jae-hui Choi, Daejeon, KR;
Dae-chul Kim, Daejeon, KR;
Dong-Hyun Ko, Daejeon, KR;
Sung-Shik Eom, Daejeon, KR;
Moo-Ho Hong, Daejeon, KR;
O-Hak Kwon, Daejeon, KR;
Jae-Hui Choi, Daejeon, KR;
Dae-Chul Kim, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Disclosed is a hydroformylation method having improved catalyst stability in a reaction. Advantageously, provided is a hydroformylation method in which a specific α,β-unsaturated carbonyl compound is incorporated during a hydroformylation reaction to prevent alkyl phosphite decomposed from a phosphite ligand from acting as a catalyst poison, thereby improving a yield of reaction and inhibiting decomposition of ligand and catalyst.