Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7578968 | Microbiological control in oil or gas field operations | Christopher J. Nalepa | 2009-08-25 |
| 7576041 | Bromine-based sulfamate stabilized breaker composition and process | — | 2009-08-18 |
| 7223719 | Breaker composition and process | — | 2007-05-29 |
| 6323157 | Base oil for well fluids having low pour point temperature | Jose Toye | 2001-11-27 |
| 5432152 | Invert drilling fluid | Raymond B. Dawson | 1995-07-11 |
| 5240629 | Refrigerant compositions | — | 1993-08-31 |
| 5207940 | .alpha.-olefin oligomer-phenol lubricant oil adducts | Jerry M. Roper | 1993-05-04 |
| 5047592 | Selective hydrogenolysis process | — | 1991-09-10 |