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:
Mar. 26, 2002
Filed:
Jul. 06, 2000
Applicant:
Inventors:
Noel Hallinan, Cincinnati, OH (US);
James A. Hinnenkamp, Cincinnati, OH (US);
Assignee:
Millennium Petrochemicals Inc, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 5/110 ; C07C 5/112 ;
U.S. Cl.
CPC ...
C07C 5/110 ; C07C 5/112 ;
Abstract
There is provided a process control method for the production of acetic acid by the catalyzed carbonylation of methanol and a process for the manufacture of acetic acid using the process control method. The process control method comprises measuring various reactor component concentrations, specifically the active catalyst species, methyl iodide, water and methyl acetate by means of an infrared analyzer, and adjusting in response thereto the concentrations of at least the catalyst species, methyl iodide and water to optimize the acetic acid reaction.