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:
Feb. 11, 2014
Filed:
Feb. 10, 2012
Mikio Hayashi, Kanagawa, JP;
Masahiro Hara, Kanagawa, JP;
Masashi Yamaguchi, Kanagawa, JP;
Yumiko Yoshikawa, Kanagawa, JP;
Takahiko Takewaki, Kanagawa, JP;
Tohru Setoyama, Kanagawa, JP;
Naoyuki Sakamoto, Kanagawa, JP;
Mikio Hayashi, Kanagawa, JP;
Masahiro Hara, Kanagawa, JP;
Masashi Yamaguchi, Kanagawa, JP;
Yumiko Yoshikawa, Kanagawa, JP;
Takahiko Takewaki, Kanagawa, JP;
Tohru Setoyama, Kanagawa, JP;
Naoyuki Sakamoto, Kanagawa, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
A method for manufacturing a catalyst, which comprises regenerating a catalyst comprising a CHA zeolite as an active ingredient and having an ethylene conversion lowered through reaction of producing propylene by bringing into contact with ethylene in a vapor phase, by bringing the catalyst into contact with a gas which does not comprise oxygen and comprises hydrogen having a hydrogen partial pressure of 0.01 MPa or more as an absolute pressure thereof.