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:
Nov. 28, 2000
Filed:
Dec. 18, 1998
Applicant:
Inventors:
William A Leet, Naperville, IL (US);
Santi Kulprathipanja, Inverness, IL (US);
Assignee:
UOP LLC, Des Plaines, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
562519 ; 562517 ; 562520 ; 560204 ;
Abstract
A process for the production of a carboxylic acid in the presence of solid catalyst particles that employs a flash step with a liquid wash is disclosed. This process helps prevent the buildup of deposits of solid catalyst particles, attrited solid catalyst particles, and heavy by-products in the flash zone. This invention is useful for the production of carboxylic acids, especially acetic acid.