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. 24, 2014
Filed:
Nov. 08, 2011
Mikio Hayashi, Kanagawa, JP;
Masashi Yamaguchi, Kanagawa, JP;
Yumiko Yoshikawa, Kanagawa, JP;
Takahiko Takewaki, Kanagawa, JP;
Tohru Setoyama, Kanagawa, JP;
Mikio Hayashi, Kanagawa, JP;
Masashi Yamaguchi, Kanagawa, JP;
Yumiko Yoshikawa, Kanagawa, JP;
Takahiko Takewaki, Kanagawa, JP;
Tohru Setoyama, Kanagawa, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
An object of the present invention is to provide a process of producing propylene by contacting ethylene with a catalyst, where propylene is produced with high selectivity. The present invention relates to a production process of propylene, comprising contacting ethylene with a catalyst, wherein the catalyst comprises a zeolite as an active ingredient and an acid content in the outer surface of the zeolite is 5 % or less based on an acid content of the entire zeolite.