Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462908 | Organic amine impregnated activated carbon | Septimus H.-C. Liang, Brian Harrison | 1995-10-31 |
| 5192735 | Preparation of low chromium active charcoal by freeze drying impregnated charcoal | Septimus H.-C. Liang | 1993-03-09 |
| 5145820 | Reduced pressure sublimation of amine compounds on activated carbons | Septimus H.-C. Liang, Brian Harrison | 1992-09-08 |