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:
Jun. 06, 2017
Filed:
Sep. 18, 2013
Applicants:
National University Corporation Hokkaido University, Hokkaido, JP;
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Inventors:
Wataru Ueda, Sapporo, JP;
Toru Murayama, Sapporo, JP;
Ken Ooyachi, Otake, JP;
Wataru Ninomiya, Otake, JP;
Toshiya Yasukawa, Otake, JP;
Assignees:
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, Sapporo-shi, JP;
MITSUBISHI RAYON CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/20 (2006.01); C07C 1/24 (2006.01); B01J 23/28 (2006.01); B01J 23/30 (2006.01); B01J 37/10 (2006.01); B01J 23/00 (2006.01);
U.S. Cl.
CPC ...
C07C 1/24 (2013.01); B01J 23/002 (2013.01); B01J 23/28 (2013.01); B01J 23/30 (2013.01); B01J 37/10 (2013.01); B01J 2523/00 (2013.01); C07C 2521/04 (2013.01); C07C 2521/06 (2013.01); C07C 2521/08 (2013.01); C07C 2521/12 (2013.01); C07C 2523/20 (2013.01); C07C 2523/28 (2013.01); C07C 2523/30 (2013.01);
Abstract
Provided are a catalyst whereby isobutylene can be produced at high yield in a lower-temperature environment, and a method for producing isobutylene using the catalyst. The catalyst for producing isobutylene is an oxide including at least one element selected from molybdenum and tungsten, and at least one element selected from tantalum, niobium, and titanium.