Patent ID: 6838540
Filing Date: 2005-01-04
Classification: C08F,C08L

Abstract:
1. An olefin polymer having the ratio of number average molecular weight and weight average molecular weight (Mw/Mn) of not more than 1.5, selected from the group consisting of: polypropylene having number average molecular weight of not less than 500, melting point of not lower than 70° C. and a racemic diad (R), as measured by polybutene having number average molecular weight of not less than 500, melting point of not lower than 70° C. and a racemic diad (R), as measured by a copolymer of propylene, and at least one olefin selected from the group consisting of olefins of 4 to 20 carbon atoms, dienes and cycloolefins having number average molecular weight of not less than 500.