Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7175696 | Method and apparatus for corrosive gas purification | Derong Zhou, John Borzio, Gregory M. Jursich | 2007-02-13 |
| 6505482 | Nitrous oxide purification system and process | Derong Zhou, John Borzio, David E. Miner | 2003-01-14 |
| 6387161 | Nitrous oxide purification system and process | Derong Zhou, John Borzio, David E. Miner | 2002-05-14 |
| 6370911 | Nitrous oxide purification system and process | Derong Zhou, John Borzio, David E. Miner | 2002-04-16 |
| 6361750 | Systems for purification of boron trichloride | Derong Zhou, Gregory M. Jursich, John Borzio, Jason Uner | 2002-03-26 |
| 6238636 | Process and systems for purification of boron trichloride | Derong Zhou, Gregory M. Jursich, John Borzio, Jason Uner | 2001-05-29 |
| 4221569 | Chromatographic analysis of gaseous samples containing reactive sulfur | — | 1980-09-09 |