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US 11,787,740 B2Granted
Asphalt binders and bituminous compositions comprising naphthenic acid esters
AssigneeHeritage Research Group
InventorPerry Eyster
Life of this patent
Estimating the term…
Abstract
Asphalt binders and bituminous compositions comprising additives such as naphthenic acid esters. In certain embodiments the ester compounds may be useful as rheology modifiers for use in bituminous binders in road paving applications.
Claims24
A composition comprising:
- a bituminous binder;
- and
- a rheology modifier comprising at least one naphthenic ester.
A composition comprising:
- a recycled asphalt material containing aged bitumen and an aggregate;
- and
- at least one naphthenic acid ester.
A hot-mix asphalt composition comprising:
- a recycled asphalt material containing aged bitumen and an aggregate:
- virgin binder;
- and
- at least one naphthenic acid triglyceride.
1 more element
A method of preparing a rejuvenated asphalt, comprising:
- selecting a reclaimed asphalt;
- and
- contacting it with at least one naphthenic ester.
A rejuvenated asphalt comprising a reclaimed asphalt and at least one naphthenic ester.
Dependencies are inferred from the claim text.