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:
Oct. 18, 1977
Filed:
Jun. 18, 1976
Applicant:
Inventors:
Manabu Matsuoka, Toyonaka, JA;
Hiroyasu Seko, Nara, JA;
Assignee:
Tanabe Seiyaku Co., Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ; 252437 ;
Abstract
Preparation of anisaldehyde by the oxidation of p-methoxytoluene in the vapor phase in the presence of a catalyst consisting of vanadium oxide, phosphorus oxide and potassium sulfate or a catalyst consisting of vanadium oxide, phosphorus oxide, potassium sulfate and copper oxide. The catalyst has excellent selectivity and, as a result, anisaldehyde is obtained in high yields. Further, the catalyst containing copper oxide has excellent durability.