Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Walter Alexander Johnson0
Klaus Friedrich Gleich0
Michael John Block0
Raymond C. Swann0
John VanNice0
Date of Patent
June 28, 2011
0Patent Application Number
119994540
Date Filed
December 5, 2007
0Patent Primary Examiner
Patent abstract
Provided is a method of mixing a modified bitumen composition and feeding one or more polymeric materials to an extruder, together with asphalt fed at more than one location along a length of the extruder. Improved mixing and elimination of asphalt melting in the production of rolled goods and other products is improved.
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