Inventor
UM RICHARD T
6 patents
Patents
6 patentsUS4029734AJun 14, 1977
Recovery of chromium values
UOP INC9 citations71
US4135993AJan 23, 1979
Recovery of lead values
UOP INC9 citations70
US4200455AApr 29, 1980
Hydrometallurgical recovery of metal values
UOP INC9 citations69
US4124457ANov 7, 1978
Production of metallic lead
UOP INC3 citations60
US4028463AJun 7, 1977
Recovery of manganese values
UOP INC3 citations60
US4261737AApr 14, 1981
Recovery of cobalt values
UOP INC3 citations57