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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Polyurethanes, articles and coatings prepared therefrom and methods of making the same

Invented by: Thomas G. Rukavina
New Kensington, PA

Caroline S. Harris
Pittsburgh, PA

Robert M. Hunia
Kittanning, PA

Veronica L. Frain
Brackenridge, PA

Yan Wang
Seven Fields, PA Applicant: Name City State Country Type PPG Industries Ohio, Inc. Cleveland OH US

Originally Assigned to: PPG Industries Ohio, Inc.
Cleveland, OH Family ID: 1000000684392
[Now assigned to . . .]

Issued:2014-09-16
Filed:2012-11-30
Application No:13690579
Examined by:Niland; Patrick

The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer comprising a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to 18 carbon atoms; and (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) up to about 0.9 equivalents of at least one polyol different from branched polyol (b) and having 2 to 18 carbon atoms, 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.

[pdf] U.S. Pat. No. 8,835,592

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This information is part of a study by Oasis Global, Inc. of all space inventions filed at the United States Patent and Trademark Office, and is provided for informational purposes only. It is not an endorsement of any particular assignee, inventor or invention. Although Peter A. Koziol represents inventors and assignees of space inventions he does not represent all of the inventors and assignees listed. The prosecuting attorney agent or firm for each patent is identified by the United States Patent and Trademark Office in the patent specfication, which can be viewed by clicking on the patent image or downloading the patent document. For more information regarding Mr. Koziol's background and experience, or to learn more about space inventions, please contact Mr. Koziol.

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