Inventor

GILKERSON SR WILLIAN H

US2 patents

Patents

2 patents

US5601697AFeb 11, 1997

Demetallation-High carbon conversion process, apparatus and asphalt products

ASHLAND INC24 citations90

US5728291AMar 17, 1998

Demetallation - high carbon conversion process, apparatus and asphalt products

ASHLAND INC14 citations71