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:
Feb. 03, 2009
Filed:
Nov. 14, 2003
Frank G. Belmonte, Hawthorn Woods, IL (US);
David L. Sikkenga, Wheaton, IL (US);
Olusola Sunday Ogundiran, League City, TX (US);
Kenneth J. Abrams, Naperville, IL (US);
Linus Kai-wah Leung, Naperville, IL (US);
Christopher G. Meller, Carol Stream, IL (US);
Dale A. Figgins, Houston, TX (US);
Allen B. Mossman, Wheaton, IL (US);
Frank G. Belmonte, Hawthorn Woods, IL (US);
David L. Sikkenga, Wheaton, IL (US);
Olusola Sunday Ogundiran, League City, TX (US);
Kenneth J. Abrams, Naperville, IL (US);
Linus Kai-Wah Leung, Naperville, IL (US);
Christopher G. Meller, Carol Stream, IL (US);
Dale A. Figgins, Houston, TX (US);
Allen B. Mossman, Wheaton, IL (US);
BP Corporation North America Inc., Warrenville, IL (US);
Abstract
A process for oxidation with oxygen of at least one aromatic hydrocarbon having oxidizable, substituents that maximizes the utilization of oxygen without reduction in the quality of the carboxylic acid products produced by means of a stagewise countercurrent oxidation system is disclosed.