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:
Apr. 15, 2008
Filed:
Oct. 11, 2001
Alfred Jean Paul Buckmann, Waalwijk, NL;
Emilio Martin, Waalwijk, NL;
Gerardus Cornelis Overbeek, Waalwijk, NL;
Johannes Ludovicus Martinus Van Hilst, Waalwijk, NL;
John Christopher Padget, Frodsham, GB;
Pablo Steenwinkel, Waalwijk, NL;
Tom Annable, Manchester, GB;
Ronald Tennebroek, Waalwijk, NL;
Alfred Jean Paul Buckmann, Waalwijk, NL;
Emilio Martin, Waalwijk, NL;
Gerardus Cornelis Overbeek, Waalwijk, NL;
Johannes Ludovicus Martinus Van Hilst, Waalwijk, NL;
John Christopher Padget, Frodsham, GB;
Pablo Steenwinkel, Waalwijk, NL;
Tom Annable, Manchester, GB;
Ronald Tennebroek, Waalwijk, NL;
DSM IP Assets BV, Heerlen, NL;
Abstract
An aqueous coating composition comprising a crosslinkable water-dispersible polyurethane oligomer wherein said composition when drying to form a coating has an open time of at least 20 minutes, a wet-edge time of at least 10 minutes, a tack free time of <20 hours and an equilibrium viscosity of <5,000 Pa·s at a solids content when drying in the range of from 20 to 55 wt % using a shear rate in the range of from 9±0.5 to 90±5 sand at 23+2° C.