Title: Process for preparing asphalt as road and coating of surface
Application Number: 99107872 Application Date: 1999.06.04
Publication Number: 1276407 Publication Date: 2000.12.13
Approval Pub. Date: Granted Pub. Date: 2003.01.29
International Classifi-cation: C10C1/16
Applicant(s) Name: Shanxi Inst. of Coal Chemistry, Chinese Academy of Address: 030001
Inventor(s) Name: Yang Jianli, Liu Zhenyu
Attorney & Agent: wei shuwei
Abstract:
     An asphalt for road or coating of other surfaces is prepared from coal and petroleum residue through hydrogenation. Its advantaves are high quality, hydrogen/carbon atom ratio lower than 1.5, and reduced hydrogenation depth.
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