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. 23, 2026
Filed:
Mar. 02, 2022
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
The University of Tokyo, Tokyo, JP;
Koichiro Yoshitoku, Tokyo, JP;
Yukio Tanaka, Tokyo, JP;
Atsuhiro Yukumoto, Tokyo, JP;
Noriaki Senba, Tokyo, JP;
Kazuhiro Takanabe, Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
The University of Tokyo, Tokyo, JP;
Abstract
An olefin production device for producing an olefin from a raw material gas containing methane and oxygen includes a reactor containing: a first catalyst; and a second catalyst disposed downstream of the first catalyst in a flow direction of the raw material gas. The first catalyst is a catalyst in which a zirconium salt or carbonate of an alkali metal, an oxide of an alkaline earth metal, an oxide of one kind of lanthanoid element, a composite oxide containing a lanthanoid element, or a combination thereof is supported on a support. The second catalyst is a catalyst containing a tungsten oxide, phosphate, or carbonate of an alkali metal.