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:
May. 13, 2014
Filed:
Jul. 20, 2011
Applicant:
Christian Herzig, Waging, DE;
Inventor:
Christian Herzig, Waging, DE;
Assignee:
Wacker Chemie AG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 59/245 (2006.01);
U.S. Cl.
CPC ...
Abstract
β-ketocarbonylquats contain at least one quaternary ammonium salt group, and may be prepared by the reaction of an alkyl ketene dimer with a tertiary amine group-containing compound also containing a protic group, followed by quaternization.