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. 28, 2023
Filed:
Apr. 12, 2018
Applicant:
Cargill, Incorporated, Wayzata, MN (US);
Inventors:
Todd Kurth, Maple Grove, MN (US);
Scott Nivens, Minneapolis, MN (US);
Christopher Stevermer, St. Louis Park, MN (US);
Anthony Joseph Sylvester, Minneapolis, MN (US);
Hassan Tabatabaee, Plymouth, MN (US);
Assignee:
CARGILL, INCORPORATED, Wayzata, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 26/26 (2006.01); C08L 91/00 (2006.01); C08L 95/00 (2006.01);
U.S. Cl.
CPC ...
C04B 26/26 (2013.01); C08L 91/00 (2013.01); C08L 95/00 (2013.01); C08L 2555/22 (2013.01); C08L 2555/34 (2013.01); C08L 2555/64 (2013.01);
Abstract
Described herein is a rejuvenated asphalt and a method of rejuvenating asphalt comprising mixing a rejuvenator, bitumen, and aggregate to obtain an asphalt mixture, wherein the rejuvenator is present in an amount ranging from about 0.1-40 wt % by weight of the bitumen, and wherein at least 35 wt % of the bitumen is derived from recycled asphalt content. The rejuvenated asphalt provides desirable performance.