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:
Jul. 03, 2012
Filed:
Feb. 15, 2006
Dominick A. Burlone, Lake Jackson, TX (US);
R. Merritt Sink, Lake Jackson, TX (US);
Joann Lanza, Farmington Hills, MI (US);
Karl Gust, Clawson, MI (US);
Dominick A. Burlone, Lake Jackson, TX (US);
R. Merritt Sink, Lake Jackson, TX (US);
Joann Lanza, Farmington Hills, MI (US);
Karl Gust, Clawson, MI (US);
BASF SE, Ludwigshafen, DE;
Abstract
Oxidation of an alkane to an alkanone in a process stream forms aldehyde-based impurities. A method of minimizing the aldehyde-based impurities introduces an amine into the process stream to minimize the aldehyde-based impurities. The amine interacts with the alkanone and the aldehyde-based impurities thereby forming heavy products. The method separates the heavy products from the alkanones to reduce a level of the aldehyde-based impurities. The process stream preferably includes cyclohexyl ketone as the alkanone and n-hexanal as the aldehyde-based impurity. The method is typically involved in synthesis of a caprolactam.