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.

Date of Patent:
Apr. 25, 2017

Filed:

Dec. 22, 2014
Applicant:

Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;

Inventors:

Katsumi Higuchi, Tokyo, JP;

Saori Hirokawa, Niigata, JP;

Yuuichi Sugano, Niigata, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 67/327 (2006.01); B01J 29/08 (2006.01);
U.S. Cl.
CPC ...
C07C 67/327 (2013.01); B01J 29/08 (2013.01); B01J 2229/42 (2013.01);
Abstract

According to the present invention, a molded catalyst for use in the production of methyl methacrylate can be provided. The molded catalyst comprises synthetic faujasite-type zeolite and a layered magnesium silicate compound, wherein the sulfur content in the layered magnesium silicate compound is 0.10% by weight or less. According to the present invention, a method for producing methyl methacrylate can also be provided. The method is characterized by comprising a step of carrying out a gas-phase catalytic reaction of methyl α-hydroxyisobutyrate using the above-mentioned molded catalyst for use in the production of methyl methacrylate.


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