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:
Jul. 29, 2014
Filed:
Jul. 11, 2012
Loon-seng Tan, Centerville, OH (US);
David Huabin Wang, Beavercreek, OH (US);
Hilmar Koerner, Beavercreek, OH (US);
Richard A. Vaia, Beavercreek, OH (US);
Loon-Seng Tan, Centerville, OH (US);
David Huabin Wang, Beavercreek, OH (US);
Hilmar Koerner, Beavercreek, OH (US);
Richard A. Vaia, Beavercreek, OH (US);
The United States of America as represented by the Secretary of the Air Force, Washington, DC (US);
Abstract
A crosslinked aromatic polyimide having shape memory properties and methods of making the same. The crosslinked aromatic polyimide comprises at least one aromatic diamine, at least one dianhydride monomer, and a tri(oxybenzene-amine) crosslinker. The crosslinked aromatic polyimide polymers and films possess superior shape memory properties at temperatures above 225° C.