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Inventor:
Lee; William
Address:
Humble, TX
No. of patents:
5
Patents:












Patent Number Title Of Patent Date Issued
7824485 Asphalt compositions and the preparation thereof November 2, 2010
Asphalt compositions and methods of forming such are described herein. The asphalt compositions and methods of forming such are generally adapted to enable open air processing while producing asphalt compositions that exhibit properties capable of meeting SUPERPAVE.TM. specifications.
7645820 Use of zinc oxide to improve compatibility of polymer modified asphalt crosslinked with phenol a January 12, 2010
In methods of preparing asphalt and elastomeric polymer compositions crosslinked with phenol aldehyde resins and sulfur, such as polymer modified asphalt (PMA), it has been discovered that the MP1 compatibility may be improved by adding certain ionic metal oxides. Suitable ionic meta
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
7495045 Use of inorganic acids with crosslinking agents in polymer modified asphalts February 24, 2009
Asphalt and polymer mixtures treated with an inorganic acid and cross-linked with sulfur and/or other crosslinkers or accelerators gives a polymer modified asphalt with improved high temperature properties. The acid should be added to the asphalt before the crosslinker.
7384468 Asphalt/aggregate composition of enhanced adhesion June 10, 2008
An asphalt/aggregate composition having enhanced adhesion characteristics and its preparation. An asphalt base material is heated to a molten state in order to permit mixing of the asphalt with added components. A heavy metal soap is incorporated into the asphalt base material to enhance










 
 
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