COATING MATERIAL FOR ROAD CONSTRUCTION
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United States of America Patent
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Issued Date -
May 12, 2011
app pub date -
Jun 26, 2009
filing date -
Jun 27, 2008
priority date (Note) -
Abandoned
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Abstract
A mixture designed for coating public roads includes: i) a mineral granulate and ii) a non-bituminous binder that is obtained from raw materials of plant origin. The binder consists of a cellulose compound that belongs to the family of cellulose fatty esters. The melting point of the cellulose compound is advantageously between 60° C. and 250° C., preferably between 120° C. and 180° C. The mixture can include between 1% and 20% of binder in content by weight relative to the material, and preferably between 4% and 10%. A process for preparation of a mixture using the binder is also claimed.
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