Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5480677 | Process for passivating metal surfaces to enhance the stability of gaseous hydride mixtures at low concentration in contact therewith | Yao-En Li, Gerhard Kasper | 1996-01-02 |
| 5426944 | Chemical purification for semiconductor processing by partial condensation | Yao-En Li | 1995-06-27 |
| 5255445 | Process for drying metal surfaces using gaseous hydrides to inhibit moisture adsorption and for removing adsorbed moisture from the metal surfaces | Yao-En Li, Gerhard Kasper | 1993-10-26 |