NC

Nancy R. Calvert

GE: 2 patents #13,562 of 36,430Top 40%
BE Betzdearborn: 1 patents #106 of 202Top 55%
Overall (All Time): #1,586,909 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7204927 Settling aids for solids in hydrocarbons 2007-04-17
7048847 Settling aids for solids in hydrocarbons 2006-05-23
5981288 Methods for determining the concentration of surfactants in hydrocarbons Wiley L. Parker, Alan E. Goliaszewski 1999-11-09