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:
Jan. 03, 2006
Filed:
Mar. 11, 2003
Taku Mumura, Wakayama, JP;
Hidetoshi Kadowaki, Wakayama, JP;
Futoshi Nishigaki, Wakayama, JP;
Kao Corporation, Tokyo, JP;
Abstract
There is provided a process wherein a lower alkyl ester of a fatty acid derived from natural fats and oils and a lower alcohol containing 1 to 4 carbon atoms is produced in a lower sulfur content at lower costs without causing a reduction in yield and a deterioration in selectivity, as well as a process for producing an alcohol without reducing the activity of a catalyst. The process comprises the step of adsorption treatment of an ester with at least one adsorbent selected from clay and activated carbon. Further are provided a process for producing an ester which further comprises adsorption treatment with a hydrogenating decomposition-type adsorbent containing Ni and/or Cu, in hydrogen or a mixed gas atmosphere of hydrogen and an inert gas, and a process for producing an alcohol which comprises hydrogenation reaction with an ester produced by any one of these processes as the starting material.