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Asphalt, copolymer and elastomer composition    
United States Patent4818367   
Link to this pagehttp://www.wikipatents.com/4818367.html
Inventor(s)Winkler; David S. (Wooster, OH)
AbstractAn asphalt composition containing an asphalt, a copolymer of an olefin with an anhydride or a nitrile, and an unsaturated elastomer having at least two terminal groups each with an active hydrogen, a halogen, an epoxy oxygen or a cyanocarbon. The composition may be prepared by copolymerizing an olefin with an anhydride or a nitrile in the presence of a free radical initiator, and thereafter mixing the copolymer with the asphalt and elastomer. The copolymer may be mixed first with a petroleum oil, then with the elastomer and lastly with the asphalt. The copolymer may be a polyanhydride from maleic anhydride and 1-octadecene and the elastomer may be a hydroxy-terminated polybutadiene.
   














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Patent Text Patent PDF Print Page Summary File History
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Inventor     Winkler; David S. (Wooster, OH)
Owner/Assignee     J. H. Diamond Company (Lake Worth, FL)
Patent assignment
All assignments
Publication Date     April 4, 1989
Application Number     06/851,835
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     April 14, 1986
US Classification     208/23 106/273.1 106/281.1 106/284.4 208/22 524/62 524/69 525/54.5 527/500
Int'l Classification     C08L 095/00 C10C 001/00
Examiner     Sneed; H. M. S.
Assistant Examiner     Myers; Helane
Attorney/Law Firm     Pollock, Vande Sande & Priddy
Address
Parent Case    
Priority Data    
USPTO Field of Search     208/22 208/23 106/273 R 106/273 N 106/281 R 524/69 524/62 525/54.5 527/500
Patent Tags     asphalt, copolymer elastomer composition
   
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Market Share
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