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. 28, 2020
Filed:
Apr. 13, 2017
Applicant:
U. S. A., As Represented BY the Administrator of the National Aeronautics and Space Administration, Washington, DC (US);
Inventors:
Rocco P. Viggiano, Elyria, OH (US);
Mary Ann B. Meador, Strongsville, OH (US);
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/00 (2006.01); C08G 73/10 (2006.01); C08J 9/28 (2006.01);
U.S. Cl.
CPC ...
C08J 9/28 (2013.01); C08G 73/1067 (2013.01); C08J 2201/026 (2013.01); C08J 2201/0502 (2013.01); C08J 2205/026 (2013.01); C08J 2379/08 (2013.01);
Abstract
A polyimide aerogel and method of making the aerogel is disclosed. The polymer backbone of the aerogel includes a cardo-diamine. The disclosed polyimide aerogel is less susceptible to temperature induced shrinkage than a polyimide aerogel that does not include a cardo-diamine.