Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816022 | Ampholyte polymeric compounds in subterranean applications | HsinChen Chung, Xiangnan Ye, Narongsak Tonmukayakul, Michael A. McCabe, Kevin W. Frederick +2 more | 2017-11-14 |
| 9732265 | Ampholyte polymers and methods of treating subterranean formations with the same | HsinChen Chung, Narongsak Tonmukayakul, Harvey J. Fitzpatrick | 2017-08-15 |
| 9695350 | Ampholyte polymeric compounds in subterranean applications | HsinChen Chung, Xiangnan Ye, Narongsak Tonmukayakul, Michael A. McCabe, Kevin W. Frederick +2 more | 2017-07-04 |