Aqueous bitumen emulsion

Details Aqueous bitumen emulsion Aqueous bitumen emulsion

2005-05-03

2010-02-16

Klemanski, Helene (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

C516S043000

Reexamination Certificate

active

07662225

ABSTRACT:
The invention relates to an aqueous bitumen emulsion, comprising bitumen and a surfactant agent, made from esters or amides of glycine betaine, produced by reaction of glycine betaine with a sulphonic acid and an alcohol or amine with a fatty chain derived from vegetable oils. Said bitumen emulsion may be used in the production of road surfaces.

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patent: 2007/0197420 (2007-08-01), Antoine et al.
patent: 2008/0069638 (2008-03-01), Crews et al.
patent: 2008/0194738 (2008-08-01), Crews et al.
patent: 0 750 904 (1997-01-01), None

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