Duong N. Nguyen

Person

Dover, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Coiled-tubing fluid-lubricant composition and related methods
- Patent number 10,597,945
- Issue date Mar 24, 2020
- Dover Chemical Corporation
- Duong Nguyen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Nitrated extreme pressure additives and blends
- Patent number 8,664,171
- Issue date Mar 4, 2014
- Dover Chemical Corporation
- Donald Stevenson
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Nitrated extreme pressure additives and blends
- Patent number 8,058,317
- Issue date Nov 15, 2011
- Dover Chemical Corporation
- Duong N. Nguyen
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Nitrated extreme pressure additives
- Patent number 7,960,323
- Issue date Jun 14, 2011
- Dover Chemical Corporation
- Duong N. Nguyen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenol-free phosphites
- Patent number 7,470,735
- Issue date Dec 30, 2008
- Dover Chemical Corporation
- Donald R. Stevenson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dimeric and polymeric alkylphenol polysulfides
- Patent number 7,294,684
- Issue date Nov 13, 2007
- Dover Chemical Corporation
- Donald R. Stevenson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phenol-free phosphite stabilizers
- Patent number 6,362,260
- Issue date Mar 26, 2002
- Dover Chemical Corporation
- Donald R. Stevenson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrolytically stable pentaerythritol diphosphites
- Patent number 5,364,895
- Issue date Nov 15, 1994
- Dover Chemical Corp.
- Donald R. Stevenson
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CHLORINATED HYDROCARBONS AS LUBRICANTS FOR COILED-TUBING (CT) SUBTE...
- Publication number 20230054276
- Publication date Feb 23, 2023
- DOVER CHEMICAL CORPORATION
- Duong Nguyen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Coiled-Tubing Fluid-Lubricant Composition and Related Methods
- Publication number 20200217149
- Publication date Jul 9, 2020
- DOVER CHEMICAL CORPORATION
- Duong Nguyen
- E21 - EARTH DRILLING MINING
Information Patent Application
Coiled-Tubing Fluid-Lubricant Composition and Related Methods
- Publication number 20170233634
- Publication date Aug 17, 2017
- DOVER CHEMICAL CORPORATION
- Duong Nguyen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Low Pour-Point Lubricant Additives For Oiled-Based Muds and Synthet...
- Publication number 20170204320
- Publication date Jul 20, 2017
- DOVER CHEMICAL CORPORATION
- Duong Nguyen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LUBRICANT ADDITIVES FOR WELL-BORE OR SUBTERRANEAN DRILLING FLUIDS O...
- Publication number 20160289529
- Publication date Oct 6, 2016
- DOVER CHEMICAL CORPORATION
- Duong Nguyen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Lubricant Additives for Wellbore or Subterranean Drilling Fluids or...
- Publication number 20150218433
- Publication date Aug 6, 2015
- Duong Nguyen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
NITRATED EXTREME PRESSURE ADDITIVES AND BLENDS
- Publication number 20080305974
- Publication date Dec 11, 2008
- DOVER CHEMICAL CORPORATION
- Donald Stevenson
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
NITRATED EXTREME PRESSURE ADDITIVES AND BLENDS
- Publication number 20070270509
- Publication date Nov 22, 2007
- DOVER CHEMICAL CORPORATION
- Duong N. Nguyen
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Nitrated Extreme Pressure Additives
- Publication number 20070099803
- Publication date May 3, 2007
- DOVER CHEMICAL CORPORATION
- Duong N. Nguyen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Dimeric and Polymeric Alkylphenol Polysulfides
- Publication number 20070093613
- Publication date Apr 26, 2007
- DOVER CHEMICAL CORPORATION
- Donald R. Stevenson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PHENOL-FREE PHOSPHITES
- Publication number 20040180999
- Publication date Sep 16, 2004
- DOVER CHEMICAL CORPORATION
- Donald R. STEVENSON
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Water-dispersible lubricating blend for metal working processes
- Publication number 20030130142
- Publication date Jul 10, 2003
- Duong N. Nguyen
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Duong N. Nguyen

Person

Patents Grantslast 30 patents

Coiled-tubing fluid-lubricant composition and related methods

Nitrated extreme pressure additives and blends

Nitrated extreme pressure additives and blends

Nitrated extreme pressure additives

Phenol-free phosphites

Dimeric and polymeric alkylphenol polysulfides

Phenol-free phosphite stabilizers

Hydrolytically stable pentaerythritol diphosphites

Patents Applicationslast 30 patents

CHLORINATED HYDROCARBONS AS LUBRICANTS FOR COILED-TUBING (CT) SUBTE...

Coiled-Tubing Fluid-Lubricant Composition and Related Methods

Coiled-Tubing Fluid-Lubricant Composition and Related Methods

Low Pour-Point Lubricant Additives For Oiled-Based Muds and Synthet...

LUBRICANT ADDITIVES FOR WELL-BORE OR SUBTERRANEAN DRILLING FLUIDS O...

Lubricant Additives for Wellbore or Subterranean Drilling Fluids or...

NITRATED EXTREME PRESSURE ADDITIVES AND BLENDS

NITRATED EXTREME PRESSURE ADDITIVES AND BLENDS

Nitrated Extreme Pressure Additives

Dimeric and Polymeric Alkylphenol Polysulfides

PHENOL-FREE PHOSPHITES

Water-dispersible lubricating blend for metal working processes