Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200097 | Process for making a particulate water dispersible free flowing fabric softener composition | Leonard Hughes, William J. Zeman | 1993-04-06 |
| 4990264 | Ore dewatering process and compositions therefor | Owen Portwood, Joe W. Cotton | 1991-02-05 |
| 4876355 | Powdered imidazoline product and method for producing same | Leonard Hughes, Gary W. Earl | 1989-10-24 |
| 4251385 | Diol compositions | Jack W. Sigan | 1981-02-17 |