US patent issued to ExxonMobil Chemical for modifiers for thermoplastic alloys and alloys produced using such modifiers

ALEXANDRIA, Virginia , January 11, 2013 () – United States Patent no. 8,349,949, issued on Jan. 8, was assigned to ExxonMobil Chemical Patents Inc. (Houston).

"Modifiers for Thermoplastic Alloys and Alloys Produced Using Such Modifiers" was invented by Jean-Roch Schauder (Wavre, Belgium) and Guy Joseph Wouters (Brussels).

According to the abstract released by the U.S. Patent & Trademark Office: "Non cross-linked modifiers for thermoplastic alloys comprising from 20 to 80% by weight based on the modifier of an interpolymer of ethylene and an alpha-olefin having from 4 to 12 carbon atoms grafted with an acid functionality, preferably maleic anhydride, having a Melt Index of from 0.3 to 100 and a density of 0.85 to 0.91 prior to being grafted and from 80 to 20% by weight of an ungrafted diene containing interpolymer derived from ethylene and an alpha-olefin having from 3 to 12 carbon atoms and an amount of a cross-linking component effective to provide cross-linking during subsequent melt blending with a condensation polymer having a melting point of at least 150deg C."

The patent was filed on May 18, 2005, under Application No. 11/579,567.

For further information please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=8349949&OS=8349949&RS=8349949

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