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Nigen-Chaidron

Sophie Nigen-Chaidron, Petit Couronne FR

Patent application numberDescriptionPublished
20100041798REJUVENATING AGENT AND PROCESS FOR RECYCLING OF ASPHALT - A rejuvenating agent having a viscosity of from 200 to 60000 cSt at 60° C. and comprising 10-90 weight % palm oil and 90-10 weight % bitumen, where the percentages are based upon the total weight of the composition, is disclosed. The rejuvenating agent is suitable for use in hot in-place and hot in-plant recycling processes.02-18-2010
20100179255METHOD OF PREPARING ASPHALT - A method of preparing asphalt, comprising a step of combining a bitumen composition with aggregate, is disclosed. The bitumen composition comprises greater than 75 wt % bitumen and between 0.005 and 0.5 wt % polyacrylamide.07-15-2010

Sophie Nigen-Chaidron, Centre Kajang MY

Patent application numberDescriptionPublished
20110115116METHOD FOR PREPARING COATED BINDER UNITS - A method for preparing coated binder units, wherein the coated binder units comprise a core of binder coated with a layer of coating material, is disclosed. The method comprises steps of: (a) co-extruding the binder and the coating material, thereby producing an extrudate wherein the binder is coated with a layer of coating material; and (b) optionally, shaping the extrudate, into coated binder units.05-19-2011

Sophie Nigen-Chaidron, Petronas Twin Tower Kuala Lumpur MY

Patent application numberDescriptionPublished
20110184090BITUMEN COMPOSITION - A bitumen composition comprising crumb rubber, a polymer comprising glycidyl functional groups and wax is disclosed. The bitumen composition can be used to prepare asphalt mixtures.07-28-2011