Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomomi Nishi0
Kathryn J. Wright0
Norio Masuko0
Robert C. Bening0
Carl L. Willis0
Dale L. Handlin, Jr.0
Date of Patent
September 8, 2009
0Patent Application Number
116861880
Date Filed
March 14, 2007
0Patent Primary Examiner
Patent abstract
The present invention relates to novel compositions comprising (a) anionic block copolymers of mono alkenyl arenes and conjugated dienes where one of the blocks is a controlled distribution copolymer of a conjugated diene and mono alkenyl arene having a specific arrangement of the monomers in the copolymer block, and (b) tailored softening modifiers have a particular structure that results in a surprising improvement in properties for the composition. Also included are processes for the manufacturing such novel compositions and various end-uses and applications for such compositions.
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