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. 27, 2024
Filed:
Dec. 05, 2016
A.l.m. Holding Co., Onalaska, WI (US);
Ergon Asphalt & Emulsions, Inc., Jackson, MS (US);
Gerald H. Reinke, La Crosse, WI (US);
Gaylon L. Baumgardner, Arkadelphia, AR (US);
Andrew Hanz, La Crosse, WI (US);
A.L.M. Holding Company, Onalaska, WI (US);
Ergon Asphalt & Emulsions, Inc., Jackson, MS (US);
Abstract
Disclosed are binders and methods for making such binders with crude sterols. The crude sterols improve various rheological properties of the binders. The disclosure provides a method for slowing the aging rate of aged asphalt binder comprising adding a crude sterol to an asphalt binder, wherein the asphalt binder comprises both virgin asphalt binder, and reclaimed asphalt binder material comprising asphalt pavement (RAP), asphalt shingles (RAS) or combinations of RAP and RAS.