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:
Aug. 15, 2017
Filed:
May. 15, 2012
Bernd Kuehneweg, Düsseldorf, DE;
Björn Weber, Köln, DE;
Timothy N. Narum, Lake Elmo, MN (US);
Stuart E. Fores, Darlington, GB;
Ian Robinson, Northallerton, GB;
Eva Maria Roggentin, Düsseldorf, DE;
Guido Hitschmann, Neuss, DE;
Rainer Kurz, Neuss, DE;
Bernd Kuehneweg, Düsseldorf, DE;
Björn Weber, Köln, DE;
Timothy N. Narum, Lake Elmo, MN (US);
Stuart E. Fores, Darlington, GB;
Ian Robinson, Northallerton, GB;
Eva Maria Roggentin, Düsseldorf, DE;
Guido Hitschmann, Neuss, DE;
Rainer Kurz, Neuss, DE;
3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);
Abstract
Provided are reactive compositions for making a polyurethane-based rain-erosion protective coating for rotor blades, the reactive composition comprising an isocyanate-reactive component and an isocyanate-functional component and wherein the isocyanate-reactive component comprises