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:
May. 27, 2014
Filed:
Dec. 14, 2006
Thomas G. Rukavina, New Kensington, PA (US);
Robert Hunia, Kittanning, PA (US);
Thomas G. Rukavina, New Kensington, PA (US);
Robert Hunia, Kittanning, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
The present invention provides polyurethanes including a reaction product of components including: (a) at least one polyisocyanate selected from the group consisting of polyisocyanate trimers and branched polyisocyanates, the polyisocyanate having at least three isocyanate functional groups; and (b) at least one aliphatic polyol having 4 to 18 carbon atoms and at least two hydroxyl groups, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.