Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6268517 | Method for producing surfactant compositions | Paul A. Filler, Upali P. Weerasooriya | 2001-07-31 |
| 6147246 | Process for preparing alkoxylated dialkyl carbonate compounds | Upali P. Weerasooriya, K. Lee Matheson, Dewey L. Smith, Paul A. Filler, Kelly D. Knouse +1 more | 2000-11-14 |