Modified asphalt
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 25, 1988
Grant Date -
N/A
app pub date -
Jul 30, 1986
filing date -
Jul 30, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An asphalt composition comprises a bituminous material blended with a reaction product of ethylene diamine and a blend of a dibasic acid and one or more fatty acid residues.
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