Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4546784 | Drag reduction agent | Donald N. Schulz, Jan Bock, John J. Maurer | 1985-10-15 |
| 4508128 | Drag reduction agent for hydrocarbon liquid | Ilan Duvdevani, Dennis G. Peiffer, Robert D. Lundberg | 1985-04-02 |
| 4489180 | Drag reduction agent utilizing water soluble interpolymer complexes | Robert D. Lundberg, Dennis G. Peiffer, Ilan Duvdevani | 1984-12-18 |
| 4460758 | Drag reduction agents for aqueous salt solutions | Dennis G. Peiffer, Robert D. Lundberg, S. Richard Turner | 1984-07-17 |