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. 08, 2010
Filed:
Apr. 18, 2006
Naohiro Fukumoto, Aioi, JP;
Naohiro Fukumoto, Aioi, JP;
Nippon Shokubai Co., Ltd., Osaka, JP;
Abstract
A fixed bed reactor for gas-phase catalytic oxidation, the fixed bed reactor, comprising a reaction tube filled with a gas-phase oxidation catalyst, wherein a solid acid is placed in an end portion(s) of the reaction tube or between catalyst layers of the catalyst, or mixed in the catalyst; the solid acid is an oxide or a complex oxide containing at least one kind of element selected from the group consisting of aluminum (Al), silicon (Si), titanium (Ti) and zirconium (Zr), and has a shape of sphere, cylindrical column, cylindrical tube, star, ring, tablet or pellet; the catalyst is a complex oxide containing molybdenum (Mo) and bismuth (Bi) or a complex oxide containing molybdenum (Mo) and vanadium (V); and acid strength(H) of the solid acid meets an inequality: −5.6≦H≦1.5.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile