Paving composition comprising aggregate and a binder containing a petroleum resin, a hydrocarbon rubber, and an oil

Claim 1

A PAVING MATERIAL COMPRISING FROM ABOUT 85 TO ABOUT 98 PARTS BY WEIGHT OF MINERAL ROAD PAVING AGGREGATE MATERIAL UP TO ABOUT ONE-HALF INCH IN DIAMETER, AND FROM ABOUT 2 TO ABOUT 10 PARTS BY WEIGHT OF A BINDER COMPOSITION THEREFOR, SAID BINDER COMPOSITION COMPRISING FROM ABOUT 1 TO ABOUT 10 PARTS BY WEIGHT OF A HYDROCARBON RUBBER; FROM ABOUT 30 TO ABOUT 60 PARTS BY WEIGHT SUBSTANTIALLY COMPLETELY POLYMERIZED, AROMATIC, THERMOPLASTIC, PETROLEUM-DERIVED HYDROCARBON RESIN HAVING A SOFTENING POINT RANGE OF FROM ABOUT 220* TO ABOUT 300*F., A MIXED ANILINE POINT OF FROM ABOUT 20 TO ABOUT 60*C., AN IODINE NUMBER OF FROM ABOUT 70 TO ABOUT 160, AN ACID NUMBER OF FROM 0 TO ABOUT 4 AND A MOLECULAR WEIGHT OF FROM ABOUT 600 TO ABOUT 1400 AS DETERMINED BY CRYOSCOPIC MEANS; AND FROM ABOUT 40 TO ABOUT 60 PARTS BY WEIGHT VISCOUS OIL SELECTED FROM THE GROUP CONSISTING OF AROMATIC OIL HAVING A VISCOSITY OF FROM ABOUT 200 TO ABOUT 300 S.S.U. AT 210*F. AND AN ANILINE POINT OF FROM ABOUT 20 TO ABOUT 60*C., NAPHTHENIC OIL CONSISTING ESSENTIALLY OF A MIXTURE OF VISCOUS CYCLOPARAFFINIC COMPOUNDS HAVING A VISCOSITY OF FROM ABOUT 50 TO ABOUT 200 S.S.U. AT 210*F. AND AN ANILINE POINT OF FROM ABOUT 50 TO ABOUT 150*C., AND MIXTURES THEREOF, AND SAID BINDER COMPOSITION HAVING A PENETRATION OF AT LEAST ABOUT 65 AND A VISCOSITY OF BETWEEN ABOUT 250 AND 350 SAYBOLT SECONDS FUROL AT 275*F.