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:
Mar. 27, 1979
Filed:
Jan. 31, 1977
Applicant:
Inventor:
Paolo Maggioni, Cernusco Montevecchia, IT;
Assignee:
Brichima S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
260592 ; 260591 ; 260599 ;
Abstract
A method for preparing aromatic aldehydes and ketones in which the aldehydo or keto group is bonded directly to the aromatic ring; which comprises oxidizing an alkyl substituted aromatic compound or an aromatic compound which is substituted by an alpha-hydroxyalkyl moiety, via treatment with a persulfate and a metal catalyst. The metal catalysts include, for example, (1) iron salts and silver salts, or (2) a redox pair of salts such as an iron salt in combination with a copper salt or a silver salt in combination with a copper salt.