Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4725421 | Process for the preparation of concentrated solutions of hydrazine hydrate | Jean-Pierre Schirmann, Serge Y. Delavarenne | 1988-02-16 |
| 4724133 | Preparation of concentrated aqueous solution of hydrazine hydrate | Jean-Pierre Schirmann, Serge Y. Delavarenne | 1988-02-09 |
| 4396592 | Plural zone process for the preparation of chlorine dioxide | — | 1983-08-02 |