Patent ID: 8206500

Claim:
A performance grade asphalt mix which comprises: i) an asphalt extender obtained as a residue in the refining of waste lubricating oil; ii) a liquid asphalt cement; iii) asphalt bearing waste materials; and iv) aggregates; wherein the asphalt extender is present in an amount of about 5% to about 50% by weight of the total liquid asphalt cement needed for the performance grade asphalt mix; the liquid asphalt cement is present in an amount of about 3% to about 6% of the total weight of the performance grade asphalt mix; the asphalt bearing waste materials are present in an amount of about 2% to about 45% of the total weight of the performance grade asphalt mix; and the aggregates are present in an amount of about 50% to about 95% of the total weight of the performance grade asphalt mix.