Inventor · disambiguated record
Duong Nguyen
Also filed as: NGUYEN DUONG · NGUYEN DUONG N
8 granted patents·5 pending applications·87 citations·filing 1993–2022
84Inventor score
Top patents by PatentIndex Score
13 records- 0190US5364895AHydrolytically stable pentaerythritol diphosphitesDOVER CHEMICAL CORP·Filed 1993·Granted Nov 15, 1994·57 cites·13 claims
- 0280US10597945B2Coiled-tubing fluid-lubricant composition and related methodsDOVER CHEMICAL CORP·Filed 2017·Granted Mar 24, 2020·3 cites·4 claims
- 0372US7960323B2Nitrated extreme pressure additivesDOVER CHEMICAL CORP·Filed 2007·Granted Jun 14, 2011·2 cites·5 claims
- 0472US6362260B1Phenol-free phosphite stabilizersDOVER CHEMICAL CORP·Filed 1999·Granted Mar 26, 2002·18 cites·25 claims
- 0566US8058317B2Nitrated extreme pressure additives and blendsNGUYEN DUONG N·Filed 2007·Granted Nov 15, 2011·2 cites·25 claims
- 0665US7294684B2Dimeric and polymeric alkylphenol polysulfidesDOVER CHEMICAL CORP·Filed 2006·Granted Nov 13, 2007·1 cites·17 claims
- 0763US7470735B2Phenol-free phosphitesDOVER CHEMICAL CORP·Filed 2004·Granted Dec 30, 2008·4 cites·23 claims
- 0852US2023054276A1Chlorinated hydrocarbons as lubricants for coiled-tubing (ct) subterranean drilling in oil-gas exploration applicationDOVER CHEMICAL CORP·Filed 2022·Application pending·0 cites
- 0947US8664171B2Nitrated extreme pressure additives and blendsSTEVENSON DONALD·Filed 2008·Granted Mar 4, 2014·0 cites·3 claims
- 1038US2017204320A1Low Pour-Point Lubricant Additives For Oiled-Based Muds and Synthetic-Based Muds Lubricant Additives for Wellbore or Subterranean Drilling Fluids or MudsDOVER CHEMICAL CORP·Filed 2017·Application pending·0 cites
- 1138US2003130142A1Water-dispersible lubricating blend for metal working processesFiled 2002·Application pending·0 cites
- 1231US2016289529A1Lubricant additives for well-bore or subterranean drilling fluids or mudsNGUYEN DUONG·Filed 2016·Application pending·0 cites
- 1330US2015218433A1Lubricant Additives for Wellbore or Subterranean Drilling Fluids or MudsDOVER CHEMICAL CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →