Inventor
WU CHIN CHING
16 patents
⚠️ This page may combine multiple inventors who share the name “WU CHIN CHING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VELSICOL CHEMICAL CORP
9 patentsUS4046768ASep 6, 1977
1-Thiazolyl-5-pyridylcarbonyloxyimidazolidinones
VELSICOL CHEMICAL CORP13 citations73
US3976471AAug 24, 1976
N-(alkylideneaminooxymethyl)-alpha-haloacetanilides
VELSICOL CHEMICAL CORP6 citations73
US4097485AJun 27, 1978
Thiazolylimidazolidinone esters of furyl and thienyl substituted acids
VELSICOL CHEMICAL CORP3 citations62
US4086241AApr 25, 1978
Benzothiazolylimidazolidinone esters of furyl and thienyl substituted acids
VELSICOL CHEMICAL CORP3 citations62
US4086240AApr 25, 1978
1-Thiazolyl-5-phenoxy and phenylthioalkanoyloxyimidazolidinones
VELSICOL CHEMICAL CORP5 citations62
US4054574AOct 18, 1977
1-Benzothiazolyl-5-amino-imidazolidinones
VELSICOL CHEMICAL CORP4 citations62
US4045446AAug 30, 1977
1-Benzothiazolyl-5-pyridylcarbonyloxyimidazolidinones
VELSICOL CHEMICAL CORP5 citations62
US4029491AJun 14, 1977
1-Benzothiazolyl-5-hydroxyimidazolidinones
VELSICOL CHEMICAL CORP4 citations62
US4055569AOct 25, 1977
1-Benzothiazolyl-5-acyloxyimidazolidinones
VELSICOL CHEMICAL CORP0 citations52
IND TECH RES INST
4 patentsUS6854713B2Feb 15, 2005
Diaphragm valve
IND TECH RES INST13 citations81
US6660138B2Dec 9, 2003
Electropolishing process means for an inner surface of a long tube
IND TECH RES INST14 citations81
US6341769B1Jan 29, 2002
Non-contact pick-up device
IND TECH RES INST17 citations80
US6776884B2Aug 17, 2004
Electropolishing process means for inner and outer surfaces of a metal
IND TECH RES INST0 citations44