Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 6, 2011
Patent Application Number
10987670
Date Filed
November 12, 2004
Patent Primary Examiner
Patent abstract
The present invention is directed generally to the use of propylene-based elastomers in articles. The propylene-based elastomers have isotactic polypropylene crystallinity, a melting point by DSC of 110° C. or less, a heat of fusion of from 5 to 50 J/g, and comprise at least 75 wt % propylene-derived units, at least 6 wt % ethylene-derived units, and optionally diene-derived units. The present invention is also directed to processes for making articles comprising propylene-based elastomers.
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