Modified asphalt compositions.Modified asphalt asphalt (ăs`fôlt, –fălt), brownish-black substance used commonly in road making, roofing, and waterproofing. Chemically, it is a natural mixture of hydrocarbons. compositions U.S. patent: 7,144,933 Issued: December 5, 2006 Inventors: Richard Kinglsey Stuart, Jr., Jeffery Lynn Presley and Louis Thomas Germinario Assigned: Eastman Chemical Key statement: A modified asphalt composition is provided comprising an oxidized oxidized having been modified by the process of oxidation. oxidized cellulose see absorbable cellulose. polyethylene, a styrenebutadiene-styrene block copolymer copolymer: see polymer. and asphalt. |
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