The invention is directed to a novel bitumen composition comprising a paraffin wax, wherein the wax has a congealing point of between 85 and 120° C. and a PEN at 43° C., expressed in 0.1 mm, as determined by IP 376 of more than 5.
申请公布号
US8003717(B2)
申请公布日期
2011.08.23
申请号
US20060093073
申请日期
2006.11.09
申请人
SHELL OIL COMPANY
发明人
BOBEE DAVID;SEIVE ALAIN MARCEL BERNARD;REBUFFATTI ANNE CLAIRE
