Liquid hydrocarbon derived resin

Claim 1

A HYDROCARBON-DERIVED RESIN HAVING A STRUCTURE CHARACTERIZED BY A SOFTENING POINT IN THE RANGE OF ABOUT 15*C TO ABOUT 25*C. A VISCOSITY AT ABOUT 25*C IN THE RANGE OF ABOUT 1,000 TO ABOUT 20,000 CENTIPOISES AND COMPRISING FROM ABOUT 50 TO ABOUT 75 WEIGHT PERCENT UNITS DERIVED FROM PIPERYLENE AND CORRESPONDINGLY FROM ABOUT 50 TO ABOUT 25 WEIGHT PERCENT UNITS DERIVED FROM 2-METHYL-2-BUTENE, PREPARED BY THE METHOD WHICH COMPRISES POLYMERIZING A MIXTURE COMPRISING FROM ABOUT 35 TO ABOUT 65 WEIGHT PERCENT PIPERYLENE AND CORRESPONDINGLY FROM ABOUT 65 WEIGHT PERCENT PIPERYLENE AND 2-METHYL-2-BUTENE, AND CONTAINING UP TO ABOUT 20 WEIGHT PERCENT OF AT LEAST ONE OTHER UNSATURATED HYDROCARBON SELECTED FROM AT LEAST ONE OF THE GROUP CONSISTING OF PIPERYLENE DIMERS PIPERYLENE TRIMERS AND OTHER UNSATURATED HYDROCARBONS CONTAINING FROM 4 TO 6 CARBON ATOMS BASED ON 100 WEIGHT PERCENT OF SAID PIPERYLENE 2-METHYL-2-BUTENE MIXTURE AT A TEMPERATURE IN THE RANGE OF ABOUT 10*C TO ABOUT 500*C IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF BORON TRIFLUORIDE AND BORON TRIFLUORIDE ETHERATE, WHEREIN THE ETHERATE IS DERIVED FROM BORON TRIFLUORIDE AND AN ETHER SELECTED FROM DIMETHYL ETHER, DIETHYL ETHER, METHYL ETHYL ETHER, DI-N-PROPYL ETHER, DIISOPROPYL ETHER, DI-N-BUTYL ETHER, DIISOBUTYL ETHER, DI-T-BUTYL ETHER, DI-N-AMYL ETHER, DIISOAMYL ETHER, DI-T-AMYL ETHER, ETHYL AMYL ETHER, DIISOHEXYL ETHER, DIN-HEXYL ETHER, DI-T-HEXYL ETHER AND BUTYL (2-ETHYL HEXYL) ETHER.