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:
Jan. 01, 2019
Filed:
Apr. 23, 2015
Dsm Ip Assets B.v., Heerlen, NL;
Rajasingham Satgurunathan, Echt, NL;
Jurgen Scheerder, Echt, NL;
Gerardus Cornelis Overbeek, Echt, NL;
Roel Johannes Marinus Swaans, Echt, NL;
Ronald Tennebroek, Echt, NL;
Tijs Nabuurs, Echt, NL;
Maud Kastelijn, Echt, NL;
Hinrike Malda, Echt, NL;
DSM IP ASSETS B.V., Heerlen, NL;
Abstract
An aqueous polymer composition which when in the form of a film shows excellent elongation at break comprising (i) 5 to 30 wt. % of polyurethane where the acid value of the polyurethane is between 3 to 40 mg KOH/g; (ii) 70 to 95 wt. % of vinyl polymer comprising 20 to 90 wt. % of vinyl polymer with Tg<20° C.; 10 to 80 wt. % of vinyl polymer with Tg≥20° C.; where at least one of the vinyl polymers contains acid functional groups with acid value in the range of from 15 and 240 mg KOH/g.