Carene modified petroleum resins
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- Patent
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Producing modified petroleum resins by the Friedel Crafts copolymerization of a C.sub.5 olefines and diolefines, C.sub.6 olefines or diolefines or a mixture of C.sub.5 and C.sub.6 olefines and diolefines feed and carene optionally together with a branched chain olefine.