Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5456083 | Air separation apparatus and method | Neil Hogg | 1995-10-10 |
| 5023220 | Ultra high zeolite content FCC catalysts and method for making same from microspheres composed of a mixture of calcined kaolin clays | Lawrence B. Dight, David C. Bogert | 1991-06-11 |