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:
Aug. 20, 1991
Filed:
Apr. 28, 1987
Applicant:
Inventors:
Walter Partenheimer, Naperville, IL (US);
Gregory P Hussmann, Warrenville, IL (US);
Juergen K Holzhauer, Naperville, IL (US);
Stephen V Hoover, Aurora, IL (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
562413 ; 562416 ;
Abstract
A method for producing an aromatic polycarboxylic acid by oxidizing an aromatic feed compound having at least 3 oxidizable ring substituents, wherein, after initiation of the oxidation water from an external source is added and the reaction temperature is raised.