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:
Oct. 14, 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 poly(ureaurethane)s including a reaction product of components including: (a) at least one isocyanate functional urea prepolymer including a reaction product of (1) at least one polyisocyanate having at least three isocyanate functional groups selected from the group consisting of polyisocyanate trimers and branched polyisocyanates; and (2) water; and (b) at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups, wherein the branched polyol is selected from the group consisting of glycerol, tetramethylolmethane, trimethylolethane, trimethylolpropane, erythritol, pentaerythritol, dipentaerythritol, tripentaerythritol, sorbitan, alkoxylated derivatives thereof and mixtures thereof, wherein the equivalent ratio of NCO:water ranges from about 10:1 to about 2:1; compositions, coatings and articles made therefrom and methods of making the same.