Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849163 | Method for producing tetrafluoroethylene | Shigeyuki Yoshii | 2005-02-01 |
| 6841140 | Method and apparatus for producing hydrogen fluoride | Hironobu Nishimura, Toshinobu Takeuchi, Norio Ema | 2005-01-11 |