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:
Feb. 17, 1976
Filed:
Jul. 23, 1974
Applicant:
Inventors:
Enrico Cavaterra, Saronno, IT;
Donato Petrera, Arenzano, IT;
Francesco Pignataro, Milan, IT;
Gabriele Colucci, Milan, IT;
Assignee:
Montedison S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ; 252456 ;
Abstract
Methacrolein is prepared by the gaseous phase reaction of isobutene and oxygen, in the presence of new solid catalysts consisting of the elements tellurium, cerium, molybdenum, of one or more of the elements lithium, sodium potassium, rubidium, cesium and, in addition, of oxygen.