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:
Sep. 02, 1980
Filed:
Oct. 17, 1973
Applicant:
Inventors:
Alan F Dickason, Chester, PA (US);
Wesley R Cherry, Prospect Park, PA (US);
Assignee:
Sun Ventures, Inc., St. Davids, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
26034675 ; 252437 ;
Abstract
A catalyst comprising A--V--P, where A is an alkaline earth metal, has been found to be effective in the oxidation of butane to maleic anhydride. The catalyst may be employed in combination with an inert support such as TiO.sub.2. This catalyst is characterized in having high selectivity and stability over extended periods of time.