WE

William C. Ehrhardt

BE Betzdearborn: 3 patents #46 of 202Top 25%
Overall (All Time): #1,610,932 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6585933 Method and composition for inhibiting corrosion in aqueous systems Longchun Cheng, Dawn Stasney, Kim A. Whitaker 2003-07-01
5871691 Inhibition of corrosion in aqueous systems William S. Carey, Andrew Solov 1999-02-16
5866042 Methods and compositions for inhibiting corrosion Jen-Chi Chen 1999-02-02