RESEARCH INSTITUTE OF HIGHWAY, MINISTRY OF TRANSPORTATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115
 
 
 
C10C WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID 110
 
 
 
C11C FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM116
 
 
 
E01C CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR 128

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9752098 Bio-asphalt, bio-asphalt composition and method for preparing themMay 13, 13Sep 05, 17[E01C, C08L, C10C, C11C]

Expired/Abandoned/Withdrawn Patents

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