Compatibilizer for crumb rubber modified asphalt

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United States of America Patent

PATENT NO 6478951
SERIAL NO

08640984

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Abstract

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A compatibilizer and process for use in making crumb rubber modified asphalt. The compatibilizer causes the crumb rubber to completely interact with the asphalt, thereby improving the rheological properties of the asphalt and reducing the tendency of pavement made with the asphalt to ravel. The compatibilizer has as its reactive component one or more glycidyl groups; its polymeric backbone can be ethylenic, styrenic, or acrylic or ethylene vinyl acetate (EVA).

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Patent Owner(s)

Patent OwnerAddress
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF TRANSPORTATIONWASHINGTON DC

International Classification(s)

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  • 1996 Application Filing Year
  • C10G Class
  • 183 Applications Filed
  • 98 Patents Issued To-Date
  • 53.56 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances199619971998199920002001200220030255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chollar, Brian H Falls Church, VA 2 13
Labib, Mohamed E Princeton, NJ 29 118
Memon, G Mohammed Sterling, VA 10 71

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Patent Citation Ranking

  • 12 Citation Count
  • C10G Class
  • 62.31 % this patent is cited more than
  • 23 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges12193832210331201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 70100 +0102030405060708090100110120130140150160170180190200210

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