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:
Feb. 18, 2025
Filed:
Feb. 11, 2022
Elham Fini, Phoenix, AZ (US);
Robert Allen, Golden, CO (US);
Albert Hung, Tempe, AZ (US);
Matthew Green, Phoenix, AZ (US);
Elham Fini, Phoenix, AZ (US);
Robert Allen, Golden, CO (US);
Albert Hung, Tempe, AZ (US);
Matthew Green, Phoenix, AZ (US);
Arizona Board of Regents on behalf of Arizona State University, Scottsdale, AZ (US);
Alliance for Sustainable Energy, LLC, Golden, CO (US);
Abstract
An asphalt modifier includes bitumen, polyolefin particles, and one or more alkyl terephthalamides. Preparing an asphalt modifier includes combining one or more alkyl terephthalamides, polyolefin particles, and bitumen, and dispersing the polyolefin particles in the bitumen to yield the asphalt modifier. Digesting polyethylene terephthalate includes combining polyethylene terephthalate with an alkylamine or carboxyalkylamine to yield a reaction mixture, and heating the reaction mixture to a temperature between about 20° C. and about 300° C. to yield an alkyl terephthalamide.