Recycled oil- and rubber-modified asphalt and method of use

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United States of America Patent

PATENT NO 9944796
SERIAL NO

14628893

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Abstract

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A asphalt binder modifier or a stand-alone asphalt binder and the method of making the asphalt binder or binder modifier are disclosed. The asphalt modifier or binder consisting of treated re-refined engine oil bottoms/VTB's treated by injecting air into re-refining engine oil bottoms/VTB's at temperatures between 150° F. and 550° F. The re-refined engine oil can be processed with ground tire rubber. The binder modifier was blended with various paving and roofing asphalts to form performance-enhanced modified asphalt binders used in paving, roofing, and industrial products.

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Patent Owner(s)

  • PRI ASPHALT TECHNOLOGIES INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grzybowski, Kenneth F Temple Terrace, US 5 21

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