Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7666469 | Method of making graphite-coated particulate materials | Peter L. Zaleski, Henry Francois, Frank A. Wawrzos | 2010-02-23 |
| 7402338 | Graphite-coated particulate materials | Peter L. Zaleski, Henry Francois, Frank A. Wawrzos | 2008-07-22 |
| 5826669 | Drilling fluid loss prevention and lubrication additive | Peter L. Zaleski, David J. Derwin, George W. Russell | 1998-10-27 |
| 5183943 | Reactivation of hydroformylation catalysts | David R. Bryant, James E. Babin, James Clair Nicholson | 1993-02-02 |