Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5063196 | Chromium-free impregnated activated carbon for adsorption of toxic gases and/or vapors | David T. Doughty | 1991-11-05 |
| 4531953 | Sublimation of amine compounds on activated carbon pore surfaces | Paul K. T. Liu | 1985-07-30 |