Chang; Kin-Tai

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Kin-Tai.The latest application filed is for "fluid diverson composition in well stimulation".

Company Profile

4.32.29

Chang; Kin-Tai - Sugar Land TX
Chang; Kin-Tai - Columbus GA
Chang; Kin-Tai - Princeton NJ

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Friction-reducing compositions formulated with highly concentrated brine Grant 11,136,493 - Lopez , et al. October 5, 2	2021-10-05
Fluid Diverson Composition In Well Stimulation App 20210122967 - Dreyer; Daniel ; et al.	2021-04-29
Composition and method for recovering hydrocarbon fluids from a subterranean reservoir Grant 10,889,749 - Kurian , et al. January 12, 2	2021-01-12
Fluid diversion composition in well stimulation Grant 10,883,036 - Dreyer , et al. January 5, 2	2021-01-05
Weak gel system for chemical enhanced oil recovery Grant 10,655,055 - Szalai , et al.	2020-05-19
Weak Gel System For Chemical Enhanced Oil Recovery App 20190309215 - Szalai; Michael L. ; et al.	2019-10-10
Weak gel system for chemical enhanced oil recovery Grant 10,370,585 - Szalai , et al.	2019-08-06
Fluid Diversion Composition In Well Stimulation App 20190161670 - Dreyer; Daniel ; et al.	2019-05-30
Permeability of subterranean reservoirs using acid diversion Grant 10,253,609 - Chang , et al.	2019-04-09
Composition And Method For Recovering Hydrocarbon Fluids From A Subterranean Reservoir App 20190100690 - Kurian; Pious V. ; et al.	2019-04-04
Composition and method for recovering hydrocarbon fluids from a subterranean reservoir Grant 10,214,679 - Kurian , et al. Feb	2019-02-26
Weak Gel System For Chemical Enhanced Oil Recovery App 20170362494 - Szalai; Michael L. ; et al.	2017-12-21
Weak Gel System For Chemical Enhanced Oil Recovery App 20170145292 - Szalai; Michael L. ; et al.	2017-05-25
Friction-reducing Compositions Formulated With Highly Concentrated Brine App 20170121590 - Lopez; Analette I. ; et al.	2017-05-04
Compositions and methods for diverting injected fluids to achieve improved hydrocarbon fluid recovery Grant 9,206,346 - Kurian , et al. December 8, 2	2015-12-08
Environmentally friendly dispersion system used in the preparation of inverse emulsion polymers Grant 9,193,898 - Chang , et al. November 24, 2	2015-11-24
Composition And Method For Recovering Hydrocarbon Fluids From A Subterranean Reservoir App 20150322333 - Kurian; Pious V. ; et al.	2015-11-12
Permeability Of Subterranean Reservoirs Using Acid Diversion App 20150307769 - Chang; Kin-Tai ; et al.	2015-10-29
Chemical treatment method and additive used to treat fines migration and flow through porous media Grant 9,169,430 - Dairymple , et al. October 27, 2	2015-10-27
Composition and method for recovering hydrocarbon fluids from a subterranean reservoir Grant 9,120,965 - Kurian , et al. September 1, 2	2015-09-01
Compositions And Methods For Diverting Injected Fluids To Achieve Improved Hydrocarbon Fluid Recovery App 20150068748 - Kurian; Pious V. ; et al.	2015-03-12
Compositions and methods for diverting injected fluids to achieve improved hydrocarbon fluid recovery Grant 8,889,603 - Kurian , et al. November 18, 2	2014-11-18
Chemical Treatment Method And Additive Used To Treat Fines Migration And Flow Through Porous Media App 20140116691 - Dalrymple; Eldon Dwyann ; et al.	2014-05-01
Composition And Method For Recovering Hydrocarbon Fluids From A Subterranean Reservoir App 20130192826 - Kurian; Pious ; et al.	2013-08-01
Environmentally Friendly Dispersion System Used In The Preparation Of Inverse Emulsion Polymers App 20120316090 - Chang; Kin-Tai ; et al.	2012-12-13
Block copolymers for recovering hydrocarbon fluids from a subterranean reservoir Grant 7,989,401 - Kurian , et al. August 2, 2	2011-08-02
Compositions comprising at least two different polymeric microparticles and methods for recovering hydrocarbon fluids from a subterranean reservoir Grant 7,947,630 - Atkins , et al. May 24, 2	2011-05-24
Composition and method for recovering hydrocarbon fluids from a subterranean reservoir Grant 7,928,042 - Reed , et al. April 19, 2	2011-04-19
Composition and method for recovering hydrocarbon fluids from a subterranean reservoir Grant 7,902,127 - Kurian , et al. March 8, 2	2011-03-08
Composition and method for recovering hydrocarbon fluids from a subterranean reservoir Grant 7,897,546 - Showalter , et al. March 1, 2	2011-03-01
Composition and method for recovering hydrocarbon fluids from a subterranean reservoir Grant 7,888,296 - Morris , et al. February 15, 2	2011-02-15
Composition And Method For Recovering Hydrocarbon Fluids From A Subterranean Reservoir App 20100022419 - Reed; Peter E. ; et al.	2010-01-28
Compositions And Methods For Recovering Hydrocarbon Fluids From A Subterranean Reservoir App 20090264325 - Atkins; Jeffery M. ; et al.	2009-10-22
Block Copolymers For Recovering Hydrocarbon Fluids From A Subterranean Reservoir App 20090260820 - Kurian; Pious V. ; et al.	2009-10-22
Composition And Method For Recovering Hydrocarbon Fluids From A Subterranean Reservoir App 20090264322 - Morris; John D. ; et al.	2009-10-22
Composition And Method For Recovering Hydrocarbon Fluids From A Subterranean Reservoir App 20090264324 - Kurian; Pious ; et al.	2009-10-22
Compositions And Methods For Diverting Injected Fluids To Achieve Improved Hydrocarbon Fluid Recovery App 20090260819 - Kurian; Pious V. ; et al.	2009-10-22
Composition And Method For Recovering Hydrocarbon Fluids From A Subterranean Reservoir App 20090264321 - Showalter; Brett M. ; et al.	2009-10-22
Demulsifiers, their preparation and use in oil bearing formations Grant 7,504,438 - Treybig , et al. March 17, 2	2009-03-17
Method and composition for recovering hydrocarbon fluids from a subterranean reservoir Grant 7,417,011 - Treybig , et al. August 26, 2	2008-08-26
Method And Composition For Recovering Hydrocarbon Fluids From A Subterranean Reservoir App 20080085844 - Treybig; Duane S. ; et al.	2008-04-10
Composition for recovering hydrocarbon fluids from a subterranean reservoir Grant 7,300,973 - Chang , et al. November 27, 2	2007-11-27
Method and composition for recovering hydrocarbon fluids from a subterranean reservoir App 20060189488 - Treybig; Duane ; et al.	2006-08-24
Quaternized amido cyclic amine surfactant Grant 7,053,127 - Treybig , et al. May 30, 2	2006-05-30
Composition and method for recovering hydrocarbon fluids from a subterranean reservoir Grant 6,984,705 - Chang , et al. January 10, 2	2006-01-10
Method and composition for recovering hydrocarbon fluids from a subterranean reservoir App 20050065036 - Treybig, Duane S. ; et al.	2005-03-24
Use of dispersion polymers as friction reducers in aqueous fracturing fluids Grant 6,787,506 - Blair , et al. September 7, 2	2004-09-07
Method of recovering hydrocarbon fluids from a subterranean reservoir Grant 6,729,402 - Chang , et al. May 4, 2	2004-05-04
Use of dispersion polymers as friction reducers in aqueous fracturing fluids App 20030191030 - Blair, Cecil C. ; et al.	2003-10-09
Method of recovering hydrocarbon fluids from a subterranean reservoir App 20030155122 - Chang, Kin-Tai ; et al.	2003-08-21
Composition for recovering hydrocarbon fluids from a subterranean reservoir App 20030149212 - Chang, Kin-Tai ; et al.	2003-08-07
Composition and method for recovering hydrocarbon fluids from a subterranean reservoir App 20030116317 - Chang, Kin-Tai ; et al.	2003-06-26
Composition and method for recovering hydrocarbon fluids from a subterranean reservoir Grant 6,454,003 - Chang , et al. September 24, 2	2002-09-24
Methods of controlling scale formation in aqueous systems Grant 5,147,555 - Brown , et al. * September 15, 1	1992-09-15
Methods of controlling scale formation in aqueous systems Grant 5,062,962 - Brown , et al. November 5, 1	1991-11-05
Method for producing bis-[4-(diphenylsulfonio) phenyl] sulfide bis-MX.sub.6 Grant 4,197,174 - Chang April 8, 1	1980-04-08

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