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:
Dec. 25, 1979
Filed:
Dec. 27, 1974
Applicant:
Inventors:
Masahiro Wada, Nishinomiya, JP;
Michio Ueshima, Nishinomiya, JP;
Isao Yanagisawa, Ikeda, JP;
Michikazu Ninomiya, Kobe, JP;
Assignee:
Nippon Shokubai Kagaku Kogyo Co. Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
562534 ; 252435 ; 252437 ; 252467 ; 562535 ;
Abstract
A process for preparing methacrylic acid which comprises carrying out the catalytic vapor phase oxidation of methacrolein with a member selected from the group consisting of air and a molecular oxygen-containing gas in the presence of a novel catalytic oxide composition of the general formula
Wada, Masahiro. (1979). Process for preparing methacrylic acid (U.S. Patent No. 4180678). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4180678
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile