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. 19, 2014
Filed:
Jul. 11, 2011
Allan James, Oxford, MI (US);
Daniele Paolini, Coreggio, IT;
Allan James, Oxford, MI (US);
Daniele Paolini, Coreggio, IT;
Dow Global Technologies LLC, Midland, MI (US);
Abstract
The present invention is a method to make an environmentally friendly polyurethane molded article () comprising at least 20 percent renewable materials and molded articles made therefrom. Specifically, the method provides for molding a polyurethane coated sandwich structure () comprising a honey comb core () having fiber reinforcing layers () to provide an environmentally friendly polyurethane molded article with a desired shape such as an automobile load floor. The polyurethane coating is derived from a polyurethane—forming mixture comprising an isocyanate component and a polyol component. Specifically, the polyol component comprises one or more natural oil based polyol, preferably comprising at least one of a hydroxymethylated fatty acid or a hydroxymethylated fatty acid (methyl) ester.