Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137640 | Process for the separation of arsenic acid from a sulfuric acid-containing solution | — | 1992-08-11 |
| 4738836 | Preparation of high bulk density anhydrous sodium carbonate crystals | Ronald E. Sorg | 1988-04-19 |
| 4505786 | Pretreatment of plastic materials for metal plating | Albert A. Birkmaier, Gary A. Harpell, Bruce E. Kurtz, Gordhanbhai N. Patel, Adam L. Skovrinski +1 more | 1985-03-19 |
| 4422907 | Pretreatment of plastic materials for metal plating | Albert A. Birkmaier, Gary A. Harpell, Bruce E. Kurtz, Gordhanbhai N. Patel, Adam L. Skovrinski +1 more | 1983-12-27 |
| 4286967 | Double crystallization process to produce low organic, low silica soda ash | Elwood F. Booth, Jr. | 1981-09-01 |
| 4285925 | Process for the conversion of light ash to absorptive low bulk density alkali products | — | 1981-08-25 |