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:
May. 03, 2005
Filed:
Nov. 05, 2003
Applicants:
David Paul Landray, North Yorkshire, GB;
Ludovic Rick Fodor, Beaumont, TX (US);
Bruce Edwin Murphree, Beaumont, TX (US);
James Marvin Rung, Victoria, TX (US);
Inventors:
David Paul Landray, North Yorkshire, GB;
Ludovic Rick Fodor, Beaumont, TX (US);
Bruce Edwin Murphree, Beaumont, TX (US);
James Marvin Rung, Victoria, TX (US);
Assignee:
Invista North America S.A.R.L., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C045/32 ; C07C409/00 ; C07C035/08 ;
U.S. Cl.
CPC ...
Abstract
Process for oxidizing cyclohexane in which oxygen is contacted with cyclohexane at a pre-selected feed rate in a first reaction zone and unconsumed oxygen is contacted with cyclohexane in a second reaction zone in which the cyclohexane feed rate is lower than the pre-selected feed rate.