Use of a biopolymer-based binder for roads, road-related and civil engineering applications
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United States of America Patent
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Jun 26, 2012
Grant Date -
Dec 24, 2009
app pub date -
Jun 19, 2009
filing date -
Jun 20, 2008
priority date (Note) -
Expired
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Abstract
A method of making coatings, marking products and/or sealing products from a starting material including aggregate, includes the step of adding to a starting material a binder including at least one resin based on polymerized hydroxyacid derivatives as a non bituminous binder, as a non bituminous binder, the resin(s) being selected from: a) organic resins derived from an oil or a fat having a natural origin including monoglycerides and/or diglycerides, esterified with a poly(hydroxy acid), b) organic resins corresponding to lactic polyacid and polyol esters and/or mono- or polyhydroxylated polyacid esters, c) organic resins based on lactic polyacid or lactic polyacid derivatives such as corresponding esters thereof.
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