| Patent | Date |
|---|
Compositions For Enhanced Oil Recovery
App 20220298408 - Nguyen; Duy T. ; et al. | 2022-09-22 |
Compositions and methods for biofilm removal
Grant 11,419,333 - Balasubramanian , et al. August 23, 2 | 2022-08-23 |
Loaded, sealed nanotubes for oil recovery
Grant 11,312,895 - Nguyen , et al. April 26, 2 | 2022-04-26 |
Compositions For Enhanced Oil Recovery
App 20220106515 - Nguyen; Duy T. ; et al. | 2022-04-07 |
Additives for steam-injection oil recovery
Grant 11,236,595 - Nguyen , et al. February 1, 2 | 2022-02-01 |
Compositions for enhanced oil recovery
Grant 11,203,709 - Nguyen , et al. December 21, 2 | 2021-12-21 |
Loaded, Sealed Nanotubes For Oil Recovery
App 20200392398 - Nguyen; Duy T. ; et al. | 2020-12-17 |
Compositions for enhanced oil recovery
Grant 10,767,104 - Do , et al. Sep | 2020-09-08 |
Comb-like polyetheralkanolamines in inks and coatings
Grant 10,717,875 - Nguyen , et al. | 2020-07-21 |
Compositions for enhanced oil recovery
Grant 10,647,907 - Nguyen , et al. | 2020-05-12 |
Additives For Steam-injection Oil Recovery
App 20200131895 - Nguyen; Duy T. ; et al. | 2020-04-30 |
Heavy oil rheology modifiers for flow improvement during production and transportation operations
Grant 10,407,611 - Nguyen , et al. Sept | 2019-09-10 |
Surfactant assisted oil recovery using alcohol ether sulfonates and cationic surfactants
Grant 10,400,157 - Nguyen , et al. Sep | 2019-09-03 |
Compositions And Methods For Biofilm Removal
App 20190223434 - Balasubramanian; Ramakrishnan ; et al. | 2019-07-25 |
Compositions For Enhanced Oil Recovery
App 20190010381 - Nguyen; Duy T. ; et al. | 2019-01-10 |
Compositions For Enhanced Oil Recovery
App 20180312745 - Do; Linh ; et al. | 2018-11-01 |
Demulsifier composition and method of using same
Grant 10,041,007 - Nguyen August 7, 2 | 2018-08-07 |
Surfactant Assisted Oil Recovery Using Alcohol Ether Sulfonates And Cationic Surfactants
App 20180100097 - Nguyen; Duy T. ; et al. | 2018-04-12 |
Surfactant assisted oil recovery using alcohol ether sulfonates and cationic surfactants
Grant 9,926,486 - Nguyen , et al. March 27, 2 | 2018-03-27 |
Foam assisted liquid removal using alcohol ether sulfonates
Grant 9,862,882 - Huang , et al. January 9, 2 | 2018-01-09 |
Compositions For Enhanced Oil Recovery
App 20170369759 - Nguyen; Duy T. ; et al. | 2017-12-28 |
Heavy Oil Rheology Modifiers For Flow Improvement During Production And Transportation Operations
App 20170198204 - Nguyen; Duy T. ; et al. | 2017-07-13 |
Method for resolving emulsions in enhanced oil recovery operations
Grant 9,663,705 - Nguyen May 30, 2 | 2017-05-30 |
Foamers for downhole injection
Grant 9,631,133 - Nguyen April 25, 2 | 2017-04-25 |
Comb-like Polyetheralkanolamines In Inks And Coatings
App 20170101535 - Nguyen; Duy T. ; et al. | 2017-04-13 |
Comb-like polyetheralkanolamines in inks and coatings
Grant 9,567,482 - Nguyen , et al. February 14, 2 | 2017-02-14 |
Foam Assisted Liquid Removal Using Alcohol Ether Sulfonates
App 20160257879 - Huang; Fenfen ; et al. | 2016-09-08 |
Compositions For Enhanced Oil Recovery
App 20160251568 - Do; Linh ; et al. | 2016-09-01 |
Demulsifier Composition And Method Of Using Same
App 20160244678 - Nguyen; Duy T. | 2016-08-25 |
Demulsifier composition and method of using same
Grant 9,353,261 - Nguyen May 31, 2 | 2016-05-31 |
Method of reducing the viscosity of hydrocarbons
Grant 9,315,715 - Faust, Jr. , et al. April 19, 2 | 2016-04-19 |
Comb-like polyetheralkanolamines in inks and coatings
Grant 9,238,766 - Nguyen , et al. January 19, 2 | 2016-01-19 |
Comb-Like Polyetheralkanolamines in Inks and Coatings
App 20150353761 - Nguyen; Duy T. ; et al. | 2015-12-10 |
Surfactant Assisted Oil Recovery Using Alcohol Ether Sulfonates And Cationic Surfactants
App 20150275634 - Nguyen; Duy T. ; et al. | 2015-10-01 |
Method For Resolving Emulsions In Enhanced Oil Recovery Operations
App 20150252248 - Nguyen; Duy T. | 2015-09-10 |
Foamers For Downhole Injection
App 20150148268 - Nguyen; Duy T. | 2015-05-28 |
Foamers for downhole injection
Grant 8,950,494 - Nguyen , et al. February 10, 2 | 2015-02-10 |
Recovery and separation of crude oil and water from emulsions
Grant 8,911,615 - Raney , et al. December 16, 2 | 2014-12-16 |
Quaternary foamers for downhole injection
Grant 8,746,341 - Nguyen , et al. June 10, 2 | 2014-06-10 |
Method for resolving emulsions in enhanced oil recovery operations
Grant 8,741,130 - Nguyen , et al. June 3, 2 | 2014-06-03 |
Imidazoline-based heterocyclic foamers for downhole injection
Grant 8,551,925 - Nguyen , et al. October 8, 2 | 2013-10-08 |
Demulsifier Composition And Method Of Using Same
App 20130261227 - Nguyen; Duy T. | 2013-10-03 |
Microemulsion Flowback Aid Composition And Method Of Using Same
App 20130261033 - Nguyen; Duy T. | 2013-10-03 |
Foamers for downhole injection
Grant 8,399,386 - Nguyen , et al. March 19, 2 | 2013-03-19 |
Method of reducing the viscosity of hydrocarbon fluids
Grant 8,394,872 - Faust, Jr. , et al. March 12, 2 | 2013-03-12 |
Novel Quaternary Foamers For Downhole Injection
App 20120279715 - Nguyen; Duy T. ; et al. | 2012-11-08 |
Foamers For Downhole Injection
App 20120125620 - Nguyen; Duy T. ; et al. | 2012-05-24 |
Method For Resolving Emulsions In Enhanced Oil Recovery Operations
App 20110315604 - Nguyen; Duy T. | 2011-12-29 |
Method For Resolving Emulsions In Enhanced Oil Recovery Operations
App 20110247965 - Nguyen; Duy T. ; et al. | 2011-10-13 |
Recovery and Separation of Crude Oil and Water from Emulsions
App 20110247966 - Raney; Olina G. ; et al. | 2011-10-13 |
Method Of Reducing The Viscosity Of Hydrocarbons
App 20110092393 - Faust, JR.; Marcus D. ; et al. | 2011-04-21 |
Method of reducing the viscosity of hydrocarbon fluids
Grant 7,923,416 - Nguyen April 12, 2 | 2011-04-12 |
Foamers For Downhole Injection
App 20110071059 - Nguyen; Duy T. ; et al. | 2011-03-24 |
Foamers For Downhole Injection
App 20110071060 - Nguyen; Duy T. | 2011-03-24 |
Method Of Reducing The Viscosity Of Hydrocarbon Fluids
App 20110009556 - Faust, JR.; Marcus D. ; et al. | 2011-01-13 |
Comb-like Polyetheralkanolamines In Inks And Coatings
App 20100227950 - Nguyen; Duy T. ; et al. | 2010-09-09 |
Surface active polymers as detergents
Grant 7,741,264 - Smith , et al. June 22, 2 | 2010-06-22 |
Method Of Reducing The Viscosity Of Hydrocarbon Fluids
App 20100113309 - Nguyen; Duy T. | 2010-05-06 |
Imidazoline-based Heterocyclic Foamers For Downhole Injection
App 20090131283 - Nguyen; Duy T. ; et al. | 2009-05-21 |
Surface Active Polymers as Detergents
App 20080261853 - Smith; George A. ; et al. | 2008-10-23 |
Chemical softening composition for paper products
App 20070169904 - Nguyen; Duy T. | 2007-07-26 |
Chemical softening composition for paper products
Grant 7,217,340 - Nguyen May 15, 2 | 2007-05-15 |
Alkanolamine polymer salt additive for creping of fibrous webs
App 20070054986 - Nguyen; Duy T. | 2007-03-08 |
Chemical softening composition for paper products
App 20060075575 - Nguyen; Duy T. | 2006-04-13 |
Chemical softening compositions for paper products
Grant 7,012,058 - Nguyen March 14, 2 | 2006-03-14 |
Paper products softening process using amphoteric surfactants
App 20050153866 - Nguyen, Duy T. ; et al. | 2005-07-14 |
Alkanolamine polymer salt additives for creping of fibrous webs
App 20050065244 - Nguyen, Duy T. | 2005-03-24 |
Sulfosuccinamate surfactants as deposition inhibitors
App 20040256596 - Nguyen, Duy T ; et al. | 2004-12-23 |
Chemical softening compositions for paper products
App 20040163182 - Nguyen, Duy T. | 2004-08-26 |
Alkanolamine polymer salt additives for creping of fibrous webs
App 20040162367 - Nguyen, Duy T. | 2004-08-19 |
Paper products softening compositions
App 20040159415 - Nguyen, Duy T. ; et al. | 2004-08-19 |
Styrene copolymers combined with metallic species in deposition inhibition
App 20030150578 - Nguyen, Duy T. ; et al. | 2003-08-14 |
Styrene copolymers in de-inking
App 20020187905 - Nguyen, Duy T. ; et al. | 2002-12-12 |
Styrene copolymers combined with metallic species in deposition inhibition
App 20020148576 - Nguyen, Duy T. ; et al. | 2002-10-17 |
Styrene copolymers in de-inking
App 20020137644 - Nguyen, Duy T. ; et al. | 2002-09-26 |
Proteins and polymers for use as pitch and stickies control agents in pulp and papermaking processes
App 20020096293 - Nguyen, Duy T. ; et al. | 2002-07-25 |
Method of preventing scaling involving inorganic compositions, and compositions therefor
App 20020094299 - Nguyen, Duy T. ; et al. | 2002-07-18 |
Methods of preventing scaling involving inorganic compositions, and inorganic compositions therefor
App 20020071783 - Fader, Mitzi K. ; et al. | 2002-06-13 |
Methods of preventing scaling involving inorganic compositions, and compositions therefor
Grant 6,365,101 - Nguyen , et al. April 2, 2 | 2002-04-02 |
Compositions and method for inhibiting organic contaminant deposition in pulp and papermaking systems
Grant 6,143,800 - Nguyen , et al. November 7, 2 | 2000-11-07 |
Methods for inhibiting organic contaminant deposition in pulp and papermaking systems
Grant 5,885,419 - Nguyen , et al. March 23, 1 | 1999-03-23 |
Polybutene-based foam control composition for aqueous systems
Grant 5,562,862 - Berzansky, Jr. , et al. October 8, 1 | 1996-10-08 |
Methods for inhibiting the deposition of organic contaminants in pulp and papermaking systems using a composition comprising of polyvinyl alcohol and gelatin
Grant 5,536,363 - Nguyen July 16, 1 | 1996-07-16 |
Use of foam control composition in aqueous systems
Grant 5,425,899 - Nguyen , et al. June 20, 1 | 1995-06-20 |
Antifoam/defoamer composition and method of use thereof in aqueous systems
Grant 5,283,002 - Nguyen February 1, 1 | 1994-02-01 |
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