Inventor
CHU ARTHUR S
US4 patents
⚠️ This page may combine multiple inventors who share the name “CHU ARTHUR S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALLIED CORP
3 patentsUS4664774AMay 12, 1987
Low solids content, coal tar based impregnating pitch
ALLIED CORP21 citations75
US4305878ADec 15, 1981
Purifying ethyl tetrahydrofurfuryl ether by aqueous salt extraction
ALLIED CORP19 citations74
US4537635AAug 27, 1985
Tar fraction for driveway sealers using oxidized coal tar distillate
ALLIED CORP8 citations69