Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5245102 | Isomerization with distillation and PSA recycle streams | Andrew S. Zarchy | 1993-09-14 |
| 5146037 | Isomerization with distillation and PSA recycle streams | Andrew S. Zarchy | 1992-09-08 |
| 5045175 | Separation system for C.sub.4 hydrotreater effluent having reduced hydrocarbon loss | Robert S. Haizmann, Andrew S. Zarchy | 1991-09-03 |
| 4980046 | Separation system for hydrotreater effluent having reduced hydrocarbon loss | Andrew S. Zarchy, Robert S. Haizmann | 1990-12-25 |