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. 09, 2019
Filed:
Jun. 16, 2017
Applicant:
Evonik Roehm Gmbh, Darmstadt, DE;
Inventors:
Steffen Krill, Muehltal, DE;
Patrik Hartmann, Buettelborn, DE;
Assignee:
Evonik Roehm GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 233/38 (2006.01); C07C 231/02 (2006.01); C08F 220/60 (2006.01); C07C 213/06 (2006.01);
U.S. Cl.
CPC ...
C07C 233/38 (2013.01); C07C 213/06 (2013.01); C07C 231/02 (2013.01); C08F 220/60 (2013.01);
Abstract
N,N-(di)alkylaminoalkyl(meth)acrylamide or N,N-(di)alkylaminoalkyl (meth)acrylate and/or a quaternary ammonium salt thereof are prepared with a low content of a compound of formula (IV) wherein Rin each case is a linear, branched or cyclic alkyl radical, an aryl radical which may also be substituted by one or more alkyl groups, the linear, cyclic or branched alkyl radical may have a length of 1-12 carbon atoms and is, for example, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl, hexyl, heptyl, octyl, isooctyl, nonyl, decyl, undecyl, dodecyl.