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:
Dec. 03, 2013
Filed:
Aug. 27, 2010
Young Kyu Hwang, Daejeon, KR;
Jong San Chang, Daejeon, KR;
Jung Ho Lee, Daejeon, KR;
Jong-min Lee, Daejeon, KR;
Young Kyu Hwang, Daejeon, KR;
Jong San Chang, Daejeon, KR;
Jung Ho Lee, Daejeon, KR;
Jong-Min Lee, Daejeon, KR;
Korea Research Institute of Chemical Technology, Daejeon, KR;
Abstract
The present invention relates to a method for producing a cyclic compound that has high selectivity, high yield, and stability over a long period of time depending on a metal content ratio of a catalyst, specifically a lactone compound or a heterocyclic compound including oxygen, which includes hydrogenating an organic acid, organic acid ester, or a mixture of the organic acid and organic acid ester, which are having 4 to 6 carbon atoms, by using a selective hydrogenated catalyst.