Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10016954 | Self healing salt water barrier | Michael Donovan, Thomas W. Beihoffer, Nataliya V. Larionova | 2018-07-10 |
| 10012079 | Self healing salt water barrier | Thomas W. Beihoffer, Nataliya V. Larionova | 2018-07-03 |
| 9995014 | Self healing salt water barrier | Michael Donovan, Thomas W. Beihoffer, Nataliya V. Larionova | 2018-06-12 |
| 8318616 | Salt water swellable compositions and articles | Michael Donovan, Jason M. Logsdon | 2012-11-27 |
| 6090734 | Process for purifying clay by the hydrothermal conversion of silica impurities to a dioctahedral or trioctahedral smectite clay | Semeon Tsipursky, Don Eisenhour, Gary W. Beall | 2000-07-18 |