Inventor · disambiguated record
Charles Y. Cha
Also filed as: CHA CHARLES Y
8 granted patents·241 citations·filing 1985–1992
89Inventor score
Files withCALGON CORP8
Top patents by PatentIndex Score
8 records- 0187US4618448ACarboxylic/sulfonic/polyalkylene oxide polymer for use as scale, corrosion, and iron oxide deposit controlCALGON CORP·Filed 1985·Granted Oct 21, 1986·67 cites·9 claims
- 0286US5746947AAlkylbenzotriazole compositions and the use thereof as copper and copper alloy corrosion inhibitorsCALGON CORP·Filed 1990·Granted May 5, 1998·38 cites·18 claims
- 0381US5217686AAlkoxybenzotriazole compositions and the use thereof as copper and copper alloy corrosion inhibitorsCALGON CORP·Filed 1990·Granted Jun 8, 1993·30 cites·13 claims
- 0479US5236626AAlkoxybenzotriazole compositions and the use thereof as copper and copper alloy corrosion inhibitorsCALGON CORP·Filed 1992·Granted Aug 17, 1993·27 cites·5 claims
- 0576US5156769APhenyl mercaptotetrazole/tolyltriazole corrosion inhibiting compositionsCALGON CORP·Filed 1990·Granted Oct 20, 1992·24 cites·17 claims
- 0669US5219523ACopper and copper alloy corrosion inhibitorsCALGON CORP·Filed 1992·Granted Jun 15, 1993·18 cites·6 claims
- 0764US5300231AControlling silica/silicate deposition using phosphonate combinationsCALGON CORP·Filed 1992·Granted Apr 5, 1994·29 cites·4 claims
- 0836US4680135ACarboxylic/sulfonic polymer and carboxylic/polyalkylene oxide polymer admixtures for use in iron oxide deposit controlCALGON CORP·Filed 1986·Granted Jul 14, 1987·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →