Hedges; James H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hedges; James H..The latest application filed is for "low ph crosslinking of polymers".
Company Profile
8.33.26
- Hedges; James H. - Bartlesville OK
Patent Activity
| Patent | Date |
|---|---|
| Low pH crosslinking of polymers Grant 11,401,455 - Guan , et al. August 2, 2 | 2022-08-02 |
| Nanogels for delayed gelation Grant 11,396,624 - Guan , et al. July 26, 2 | 2022-07-26 |
| Delayed gelling agents Grant 11,390,795 - Guan , et al. July 19, 2 | 2022-07-19 |
| Low Ph Crosslinking Of Polymers App 20210403797 - GUAN; Huili ; et al. | 2021-12-30 |
| Delayed Gelling Agents App 20210388255 - LIN; Ying-Ying ; et al. | 2021-12-16 |
| Delayed gelling agents Grant 11,186,765 - Lin , et al. November 30, 2 | 2021-11-30 |
| Low pH crosslinking of polymers Grant 11,136,492 - Guan , et al. October 5, 2 | 2021-10-05 |
| Delayed Gelling Agents App 20210261854 - Guan; Huili ; et al. | 2021-08-26 |
| Nanogels For Delayed Gelation App 20200354625 - GUAN; Huili ; et al. | 2020-11-12 |
| Nanogels for delayed gelation Grant 10,752,826 - Guan , et al. A | 2020-08-25 |
| Crosslinking Of Swellable Polymer With Pei App 20200095496 - MORADI-ARAGHI; Ahmad ; et al. | 2020-03-26 |
| Low Ph Crosslinking Of Polymers App 20190382646 - GUAN; Huili ; et al. | 2019-12-19 |
| Low PH crosslinking of polymers Grant 10,407,612 - Guan , et al. Sept | 2019-09-10 |
| Delayed Gelling Agents App 20190256764 - Guan; Huili S. ; et al. | 2019-08-22 |
| Delayed gelling agents Grant 10,323,174 - Guan , et al. | 2019-06-18 |
| Delayed Gelling Agents App 20190071598 - LIN; Ying-Ying ; et al. | 2019-03-07 |
| Delayed gelling agents Grant 10,093,848 - Lin , et al. October 9, 2 | 2018-10-09 |
| Delayed Gelling Agents App 20180066177 - Guan; Huili S. ; et al. | 2018-03-08 |
| Nanogels For Delayed Gelation App 20180002592 - GUAN; Huili ; et al. | 2018-01-04 |
| Delayed gelling agents Grant 9,850,425 - Guan , et al. December 26, 2 | 2017-12-26 |
| Nanogels for delayed gelation Grant 9,796,909 - Guan , et al. October 24, 2 | 2017-10-24 |
| Low Ph Crosslinking Of Polymers App 20170210971 - GUAN; Huili ; et al. | 2017-07-27 |
| Low pH crosslinking of polymers Grant 9,644,136 - Guan , et al. May 9, 2 | 2017-05-09 |
| Core capture and recovery from unconsolidated or friable formations and methods of use Grant 9,518,463 - Hedges , et al. December 13, 2 | 2016-12-13 |
| Crosslinking Of Swellable Polymer With Pei App 20160244658 - MORADI-ARAGHI; Ahmad ; et al. | 2016-08-25 |
| Swellable polymer with anionic sites Grant 9,267,075 - Moradi-Araghi , et al. February 23, 2 | 2016-02-23 |
| Swellable polymer with cationic sites Grant 9,139,762 - Moradi-Araghi , et al. September 22, 2 | 2015-09-22 |
| Crosslinked swellable polymer Grant 9,139,760 - Moradi-Araghi , et al. September 22, 2 | 2015-09-22 |
| Low Ph Crosslinking Of Polymers App 20140238702 - GUAN; Huili ; et al. | 2014-08-28 |
| Delayed Gelling Agents App 20140209305 - LIN; Ying-Ying ; et al. | 2014-07-31 |
| Nanogels For Delayed Gelation App 20140202693 - GUAN; Huili ; et al. | 2014-07-24 |
| Fluorescent Tags For Detection Of Swellable Polymers App 20140196894 - BERKLAND; Cory ; et al. | 2014-07-17 |
| Swellable Polymer With Cationic Sites App 20140162912 - MORADI-ARAGHI; Ahmad ; et al. | 2014-06-12 |
| Crosslinking Of Swellable Polymer With Pei App 20140144628 - MORADI-ARAGHI; Ahmad ; et al. | 2014-05-29 |
| Swellable Polymer With Anionic Sites App 20140131043 - MORADI-ARAGHI; Ahmad ; et al. | 2014-05-15 |
| Crosslinked Swellable Polymer App 20140102707 - MORADI-ARAGHI; Ahmad ; et al. | 2014-04-17 |
| Swellable polymer with cationic sites Grant 8,691,736 - Moradi-Araghi , et al. April 8, 2 | 2014-04-08 |
| Swellable polymer with anionic sites Grant 8,669,214 - Moradi-Araghi , et al. March 11, 2 | 2014-03-11 |
| Crosslinked swellable polymer Grant 8,648,018 - Moradi-Araghi , et al. February 11, 2 | 2014-02-11 |
| Swellable polymers with hydrophobic groups Grant 8,389,446 - Moradi-Araghi , et al. March 5, 2 | 2013-03-05 |
| Core Capture And Recovery From Unconsolidated Or Friable Formations And Methods Of Use App 20120325559 - HEDGES; James H. ; et al. | 2012-12-27 |
| Delayed Gelling Agents App 20120037364 - Guan; Huili ; et al. | 2012-02-16 |
| Swellable Polymer With Cationic Sites App 20100314115 - Moradi-Araghi; Ahmad ; et al. | 2010-12-16 |
| Swellable Polymer With Anionic Sites App 20100314114 - Moradi-Araghi; Ahmad ; et al. | 2010-12-16 |
| Swellable Polymers With Hydrophobic Groups App 20100292109 - Moradi-Araghi; Ahmad ; et al. | 2010-11-18 |
| Crosslinked Swellable Polymer App 20100234252 - Moradi-Araghi; Ahmad ; et al. | 2010-09-16 |
| Polymers useful in the recovery and processing of natural resources Grant 5,382,371 - Stahl , et al. January 17, 1 | 1995-01-17 |
| Polymers useful in the recovery and processing of natural resources Grant 5,186,257 - Stahl , et al. February 16, 1 | 1993-02-16 |
| Polymers useful in the recovery and processing of natural resources Grant 5,080,809 - Stahl , et al. January 14, 1 | 1992-01-14 |
| Characterizing hydrocarbon sulfonates and utilization of hydrocarbon sulfonates in oil recovery Grant 4,330,418 - Glinsmann , et al. May 18, 1 | 1982-05-18 |
| Cosurfactant in preflush for surfactant flood system Grant 4,274,488 - Hedges , et al. June 23, 1 | 1981-06-23 |
| Oil recovery method using unique salinity for oil recovery surfactant system Grant 4,265,308 - Hedges , et al. May 5, 1 | 1981-05-05 |
| Cosurfactant blends for oil recovery surfactant system Grant 4,258,789 - Hedges , et al. March 31, 1 | 1981-03-31 |
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