Inventor
LAI WEN-CHAO
US6 patents
⚠️ This page may combine multiple inventors who share the name “LAI WEN-CHAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GTE LABORATORIES INC
4 patentsUS4988487AJan 29, 1991
Process for recovering metal values such as scandium, iron and manganese from an industrial waste sludge
GTE LABORATORIES INC44 citations91
US4898719AFeb 6, 1990
Liquid extraction procedure for the recovery of scandium
GTE LABORATORIES INC30 citations91
US4816233AMar 28, 1989
Ion exchange method for the recovery of scandium
GTE LABORATORIES INC48 citations91
US4765909AAug 23, 1988
Ion exchange method for separation of scandium and thorium
GTE LABORATORIES INC41 citations91