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:
May. 05, 2015
Filed:
Nov. 10, 2010
Applicants:
Daisuke Ishihara, Wakayama, JP;
Nobuyoshi Suzuki, Wakayama, JP;
Hideo Tahara, Wakayama, JP;
Hiroshi Danjo, Wakayama, JP;
Inventors:
Daisuke Ishihara, Wakayama, JP;
Nobuyoshi Suzuki, Wakayama, JP;
Hideo Tahara, Wakayama, JP;
Hiroshi Danjo, Wakayama, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 1/207 (2006.01); C07C 1/20 (2006.01); C07C 1/22 (2006.01); C07C 1/24 (2006.01);
U.S. Cl.
CPC ...
C07C 1/2078 (2013.01); C07C 1/2078 (2013.01); C07C 11/02 (2013.01);
Abstract
The present invention provides a method for producing an olefin from a carboxylic acid having a β-hydrogen atom or an anhydride thereof in the presene of a catalyst containing at least one metal element selected from metals of Group 8, Group 9 and Group 10 and bromine element at a reaction temperature of 120° C. to 270° C.