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:
Apr. 19, 1977
Filed:
Dec. 17, 1975
Applicant:
Inventors:
Takeru Onoda, Yokohama, JA;
Masayuki Otake, Tokyo, JA;
Assignee:
Mitsubishi Chemical Industries Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604 / ; 252424 ;
Abstract
A methacrylate is prepared by reacting methacrylic acid and an alcohol in vapor phase in the presence of a catalyst. The catalyst is a solid acid catalyst of silica-titania obtained by coprecipitating the same from an aqueous solution of a silicon and a titanium compound.