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US 11,261,315 B1Granted
Environmentally friendly asphalt binder additive
AssigneeNorth Carolina Agricultural and Technical State University
InventorsShahrzad Hosseinnezhad Mohtarami, SK Faisal Kabir, Mahour Mellat-Parast, Elham Fini
Life of this patent
Estimating the term…
Abstract
The presently disclosed subject matter generally relates to environmentally friendly asphalt binder additive.
Claims19
A method of preparing an environmentally friendly asphalt binder additive, the method comprising:
- (a) providing a biomodified binder derived from swine waste;
- (b) combining said biomodified binder with crumb rubber for at least about one hour;
- (c) exposing the crumb rubber to microwave irradiation.
An environmentally friendly asphalt binder additive comprising
- (a) a biomodified binder derived from swine waste;
- and
- (b) crumb rubber,
- wherein said crumb rubber or said additive has been exposed to microwave radiation.
1 more element
An environmentally friendly asphalt binder additive comprising
- (a) a biomodified binder derived from swine waste;
- and
- (b) crumb rubber,
- wherein said additive has been exposed to microwave radiation, and the surface of said crumb rubber is chemically modified by said biomodified binder.
1 more element
Dependencies are inferred from the claim text.