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:
Jan. 30, 1979
Filed:
Jun. 29, 1977
Applicant:
Inventors:
Paul C Van Geem, Geleen, NL;
Antonius J Teunissen, Geleen, NL;
Assignee:
Stamicarbon, B.V., Geleen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; B01J / ;
U.S. Cl.
CPC ...
562415 ; 252456 ;
Abstract
A catalyst mass of silver vanadate and iron vanadate, optionally also including at least one rare earth metal vanadate, is used in the vapor phase oxidative conversion of toluene to benzaldehyde and/or benzoic acid using oxygen or ozone and steam according to the disclosed process. Catalyst activity and selectivity are improved.