Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6191242 | Process for making high performance anionic polymeric flocculating agents | Roderick G. Ryles, Roger E. Neff | 2001-02-20 |
| 6147176 | High performance polymer flocculating agents nonionic polymers | Roger E. Neff, Roderick G. Ryles | 2000-11-14 |
| 5961840 | Method of dewatering suspensions with unsheared anionic flocculants | Roderick G. Ryles, Roger E. Neff | 1999-10-05 |
| 5945494 | High performance cationic polymer flocculating agents | Roger E. Neff, Roderick G. Ryles | 1999-08-31 |
| 5919882 | High performance anionic polymeric flocculating agents | Roderick G. Ryles, Roger E. Neff | 1999-07-06 |
| 5882525 | Method for treating suspended solids | Roger E. Neff, Roderick G. Ryles | 1999-03-16 |
| 5643461 | High performance dewatering aids | Roger E. Neff, Roderick G. Ryles | 1997-07-01 |
| 5405554 | High performance dewatering aids | Roger E. Neff, Roderick G. Ryles | 1995-04-11 |
| 4605689 | Preparation of aqueous polyacrylamide solutions for enhanced oil recovery | John M. Witheford, William P. Colman | 1986-08-12 |
| 4242247 | Process for water-in-oil emulsions of water-soluble polymers | Paul D. Savoy | 1980-12-30 |