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. 24, 2007
Filed:
Jul. 10, 2003
Alexander Wartini, Heidelberg, DE;
Klaus Ebel, Lampertheim, DE;
Gisela Hieber, Heidelberg, DE;
Hagen Weigl, Ladenburg, DE;
Alexander Wartini, Heidelberg, DE;
Klaus Ebel, Lampertheim, DE;
Gisela Hieber, Heidelberg, DE;
Hagen Weigl, Ladenburg, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The invention relates to a method for producing macrocyclic ketones of general formula (I) by direct cyclisation of compounds of general formula (II) in the gas phase on a heterogeneous catalyst. In general formula (I), X represents a monounsaturated or polyunsaturated or saturated C–Calkyl radical which can be optionally substituted by a C–Calkyl radical, and in general formula (II), R, Rcan respectively be the same or different and represent hydrogen or C–Calkyl, and has the above-mentioned designation.