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:
Oct. 06, 2009
Filed:
Mar. 22, 2006
Petra Hinrichs, Bochum, DE;
Kathrin Lehmann, Leverkusen, DE;
Isabella Ulrich-brehm, Ratingen, DE;
Bernd Weyershausen, Essen, DE;
Petra Hinrichs, Bochum, DE;
Kathrin Lehmann, Leverkusen, DE;
Isabella Ulrich-Brehm, Ratingen, DE;
Bernd Weyershausen, Essen, DE;
Goldschmidt GmbH, Essen, DE;
Abstract
The invention provides hydroxyl-containing surfactants with low surface tension and provides for their use as surfactants in aqueous coating formulations, the surfactants being preparable by reacting one or more epoxides of formula (I) with at least one hydroxy compound of formula (II) and/or at least one, or two or more, amine(s) of formula (III) reacted in preferably either approximately equivalent amounts of hydroxy and/or amino groups with epoxide groups, or with an excess of hydroxy or amine hydrogen atoms, respectively.