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:
Nov. 19, 2024
Filed:
Apr. 12, 2023
Applicant:
Government of the United States, As Represented BY the Secretary of the Air Force, Wright-Patterson AFB, OH (US);
Inventors:
Loon-Seng Tan, Centerville, OH (US);
Zhenning Yu, Beavercreek, OH (US);
Assignee:
United States of America as represented by the Secretary of the Air Force, Wright-Patterson AFB, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 307/89 (2006.01);
U.S. Cl.
CPC ...
C07D 307/89 (2013.01);
Abstract
Applicants disclose a family of rod-like dianhydrides that contain two phthalic anhydride moieties linked by a bridge that is comprised of at least one ethynyl and one paraphenylene group and processes of making and using such rod-like dianhydrides. Such rod-like dianhydrides can endow net-work structures with improved mechanical and thermal properties in the crosslinked-polymer products.