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. 28, 1977
Filed:
Feb. 23, 1976
Applicant:
Inventors:
John D Bacha, Monroeville, PA (US);
Joseph S Matthews, O'Hara Township, County of Allegheny, PA (US);
Assignee:
Gulf Research & Development Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2603 / ;
Abstract
A novel and efficient oxidation process for preparing quinone alkides from the corresponding tri-alkyl or phenyl hindered phenols, utilizing ferricyanide as the secondary oxidant in combination with persulfate as the primary oxidant.