Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert Q. Kluttz0
Keith E. Stephens0
Date of Patent
June 1, 2010
Patent Application Number
12536191
Date Filed
August 5, 2009
Patent Primary Examiner
Patent abstract
A block copolymer composition including a diblock copolymer (I) having one block of a monovinylaromatic hydrocarbon and one block of a conjugated diene having a peak molecular weight from 30,000 to 78,000 and one or more block copolymers (ii) comprising at least two blocks of monovinylaromatic hydrocarbon and at least one block of conjugated diene, the block copolymer selected from linear triblock copolymers having a peak molecular weight that is 1.5 to 9.0 times the peak molecular weight of the diblock copolymer, and mixtures thereof, wherein the ratio of (i) to (ii) is greater than 1:1.
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