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:
Jun. 27, 1978
Filed:
Nov. 19, 1976
Applicant:
Inventor:
John A Scheben, Erlanger, KY (US);
Assignee:
National Distillers and Chemical Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260599 ; 2606 / ; 2605 / ; 560 51 ; 260592 ; 260591 ; 2603463 ;
Abstract
A process is described for the preparation of aromatic aldehydes such as benzaldehyde and substituted benzaldehydes by the liquid phase oxidation of toluene or substituted toluenes in the presence of a catalyst comprising phosphoric acid and a catalytically effective amount of palladium metal, and a sulfur, phosphorus or nitrogen modifier.