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:
Sep. 13, 2011
Filed:
Aug. 21, 2006
Roelof Buter, Dieren, NL;
Josephina Johanna Hendrika Maria Raben-schlief, Wehl, NL;
Hendrik Meijer, Hazerswoudedorp, NL;
Geertje Marte Kuiken, Leiden, NL;
Rienk Hettema, Sassenheim, NL;
Jamie Macliver Roy, Leiden, NL;
Bart Bouma, Valkenburg, NL;
Roelof Buter, Dieren, NL;
Josephina Johanna Hendrika Maria Raben-Schlief, Wehl, NL;
Hendrik Meijer, Hazerswoudedorp, NL;
Geertje Marte Kuiken, Leiden, NL;
Rienk Hettema, Sassenheim, NL;
Jamie MacLiver Roy, Leiden, NL;
Bart Bouma, Valkenburg, NL;
Akzo Nobel Coating International B.V., Arnhem, NL;
Abstract
The invention relates to a polyurethane dispersant resin having a polyurethane backbone having pendant hydrophilic polyalkylene oxide based side groups, the pendant side groups being linked to the polyurethane backbone via covalent bonds, and wherein the content of polyalkylene oxide in the polyurethane dispersant resin is at least 45% by weight, characterized in that the polyurethane additionally has pendant hydrophobic side groups which are linked to the polyurethane backbone via covalent bonds.