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. 29, 1976
Filed:
Sep. 10, 1974
Applicant:
Inventors:
Assignee:
Takasago Perfumery Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2603 / ; 260369 ;
Abstract
A process for preparing parabenzoquinones which comprises oxidizing alkylphenols with oxygen or an oxygen-containing gas in the presence of cobalt di-(salcylal)-3,3'-diimino-di-n-propylamine derivatives and an amine is disclosed.