Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gaylon L. Baumgardner0
Andrew Hanz0
Gerald H. Reinke0
Date of Patent
February 27, 2024
0Patent Application Number
163084080
Date Filed
December 5, 2016
0Patent Citations
...
Patent Primary Examiner
CPC Code
Patent 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.
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