ASPHALT COMPOSITION
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United States of America Patent
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Issued Date -
May 7, 2015
app pub date -
Dec 7, 2012
filing date -
Dec 8, 2011
priority date (Note) -
Abandoned
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Abstract
An asphalt composition comprising aggregate, bitumen, sulphur and surfactant, wherein the surfactant is selected from cationic surfactants, amphoteric surfactants and mixtures thereof. Methods of preparing asphalt compositions and asphalt pavements are also disclosed.
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