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:
May. 04, 1976
Filed:
Aug. 29, 1974
Applicant:
Inventors:
Masao Kobayashi, Ohtake, JA;
Hideo Matsuzawa, Ohtake, JA;
Kantaro Yamada, Yokohama, JA;
Hiromichi Ishii, Ohtake, JA;
Assignee:
Mitsubishi Rayon Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2605 / ; 252437 ; 252439 ; 2605 / ; 2606 / ;
Abstract
Oxidation of tert.-butyl alcohol is accomplished by contacting said alcohol with a tungsten-molybdenum-tellurium-nickel catalyst in the vapor phase at an elevated temperature in the presence of oxygen, in order to produce methacrolein and methacrylic acid. The catalyst desirably contains phosphorus and/or antimony in addition to the elements mentioned above.