Inventor · disambiguated record
Longchun Cheng
Also filed as: CHENG LONGCHUN
6 granted patents·1 pending application·264 citations·filing 1998–2010
85Inventor score
Top patents by PatentIndex Score
7 records- 0191US6585933B1Method and composition for inhibiting corrosion in aqueous systemsBETZDEARBORN INC·Filed 1999·Granted Jul 1, 2003·198 cites·162 claims
- 0279US7316787B2Methods for controlling silica scale in aqueous systemsGEN ELECTRIC·Filed 2004·Granted Jan 8, 2008·25 cites·10 claims
- 0366US6103144AHalogen resistant copper corrosion inhibitorsBETZDEARBORN INC·Filed 1999·Granted Aug 15, 2000·18 cites·1 claims
- 0463US5968408AMethods of inhibiting corrosion using isomers of chloro-methylbenzotriazoleBETZDEARBORN INC·Filed 1998·Granted Oct 19, 1999·17 cites·27 claims
- 0552US6464901B1Halogen resistant copper corrosion inhibitorsFiled 2000·Granted Oct 15, 2002·3 cites·2 claims
- 0642US2011192806A1Chemical Delivery Media and Methods of Preparation and UseCHENG LONGCHUN·Filed 2010·Application pending·0 cites
- 0736US6187262B1Inhibition of corrosion in aqueous systemsBETZDEARBORN INC·Filed 1998·Granted Feb 13, 2001·3 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →