Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9644136 | Low pH crosslinking of polymers | Huili Guan, Cory Berkland, Ahmad Moradi-Araghi, Terry M. CHRISTIAN, Riley B. Needham +3 more | 2017-05-09 |
| 9267075 | Swellable polymer with anionic sites | Ahmad Moradi-Araghi, James H. Hedges, David R. Zornes, Riley B. Needham, Huili Guan +4 more | 2016-02-23 |
| 9139762 | Swellable polymer with cationic sites | Ahmad Moradi-Araghi, James H. Hedges, David R. Zornes, Riley B. Needham, Huili Guan +4 more | 2015-09-22 |
| 8691736 | Swellable polymer with cationic sites | Ahmad Moradi-Araghi, James H. Hedges, David R. Zornes, Riley B. Needham, Huili Guan +4 more | 2014-04-08 |
| 8669214 | Swellable polymer with anionic sites | Ahmad Moradi-Araghi, James H. Hedges, David R. Zornes, Riley B. Needham, Huili Guan +4 more | 2014-03-11 |
| 8389446 | Swellable polymers with hydrophobic groups | Ahmad Moradi-Araghi, James H. Hedges, David R. Zornes, Riley B. Needham, Huili Guan +4 more | 2013-03-05 |
| 8372786 | Polyelectrolyte complexes for oil and gas applications | Cory Berkland, Mary Cordova, G. Paul Willhite | 2013-02-12 |
| 8183184 | Polyelectrolyte complexes for oil and gas applications | Cory Berkland, Mary Cordova, G. Paul Willhite | 2012-05-22 |
| 7644764 | Polyelectrolyte complexes as delayed gelling agents for oil and gas applications | Cory Berkland, Mary Cordova, G. Paul Willhite | 2010-01-12 |