Water-in-oil bitumen dispersion and methods for producing paving compositions from same
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United States of America Patent
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May 31, 2011
Grant Date -
Aug 14, 2008
app pub date -
Mar 26, 2007
filing date -
Feb 18, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to bituminous compositions suitable for use in paving applications containing water-in-oil bitumen dispersion of paving grade bitumen such as penetration-graded, viscosity-graded and/or penetration-graded varieties that is substantially free of volatile solvents and made by controlling temperature-dependent interfacial rheology through the use of selected surfactants. The invention paving compositions are suitable for use in the construction of load-bearing, high-traffic pavements at a temperature range lower than that required for conventional hot-mix bituminous paving compositions, yet with similar or superior compaction to densities property and at least equal cure rate.
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Cited Art Landscape
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