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:
Sep. 03, 2002
Filed:
Aug. 16, 2000
Applicant:
Inventors:
Scott Donald Barnicki, Kingsport, TN (US);
Timothy Richard Nolen, Kingsport, TN (US);
Robert Sterling Kline, Talbott, TN (US);
Dewey Wayne Fuller, Jr., Bristol, TN (US);
Mary Kathleen Foster, Jonesborough, TN (US);
Stephen Neal Falling, Kingsport, TN (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/34 ; B01D 3/36 ; C07C 4/582 ; C07C 4/584 ;
U.S. Cl.
CPC ...
B01D 3/34 ; B01D 3/36 ; C07C 4/582 ; C07C 4/584 ;
Abstract
A process for the recovery and purification of cyclobutanone from a crude product mixture obtained from an oxidation product mixture resulting from the oxidation of cyclobutanol to cyclobutanone in the presence of water. The process provides for the recovery of cyclobutanone in a purity of at least 90 weight percent by a combination of distillation steps.