Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018211 | Inverting surfactants for inverse emulsions | Zhihua Zhang, Shaopeng Zhang, Igor Pimkov, Zhenxing Cheng, Qi Qu | 2024-06-25 |
| 11208587 | Temperature stability of polyols and sugar alcohols in brines | Arthur G. Mack, Katrina Schultz | 2021-12-28 |
| 10913884 | Temperature stability of polyols and sugar alcohols in brines | Arthur G. Mack, Katrina Schultz | 2021-02-09 |
| 9884986 | Method of using biosurfactants as acid corrosion inhibitors in well treatment operations | Mark A. Vorderbruggen, Charles David Armstrong | 2018-02-06 |
| 9790251 | Conversion of cellulose into simple sugars | Charles David Armstrong, Lawrence N. Kremer | 2017-10-17 |
| 9683164 | Method of using sophorolipids or mannosylerythritol lipids as acid corrosion inhibitors in well treatment operations | Mark A. Vorderbruggen, Charles David Armstrong | 2017-06-20 |
| 9090814 | Well treatment fluids containing an ylide or a vitamin B and methods of using the same | Charles David Armstrong | 2015-07-28 |