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Inventor:
Buras; Paul
Address:
Houston, TX
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
7608650 Bitumen/rubber compositions crosslinked with polythiomorpholines, polysulfides and/or mercaptobe October 27, 2009
Asphalt and elastomeric polymer compositions crosslinked with mixed polythiomorpholines or at least one alkyl polysulfide can give polymer modified asphalts (PMAs) with improved properties and/or reduced H.sub.2S evolution. When at least one alkyl polysulfide is used to completely or
7338991 Process for preparing bitumen/rubber compositions March 4, 2008
In methods of preparing asphalt and elastomeric polymer compositions, it has been discovered that for a given crosslinker or vulcanizing agent there is an optimum crosslinking temperature to give a composition that has top and bottom softening points that are close. That is, rubber/a
6630245 Articles and film of poly-.alpha.-olefin having reduced coefficient of friction October 7, 2003
Provided is polyolefin-based compound, resin, mixture, or combinations thereof, providing products having reduced coefficient of friction, comprising: A) polyolefin other than syndiotactic poly-.alpha.-olefin; B) about 0.1% to about 70% syndiotactic poly-.alpha.-olefin; and C) about
6441065 Method for preparation of stable bitumen polymer compositions August 27, 2002
The present invention provides a method for preparing an asphalt and thermoplastic elastomer composition. The process comprises preparing a crosslinking elastomer concentrate that is added to a heated asphalt cut in a stirred tank and then aged to improve SHRP high temperature grading.










 
 
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