Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6509502 | Method and apparatus for preparing polyaniline | Matti T. Jussila, Toivo Karna, Jukka Koskinen, Samuli Puhakka | 2003-01-21 |
| 5731437 | Process for the preparation of melamine | Pekka Oinas | 1998-03-24 |
| 5725837 | Process for the preparation of hydrogen peroxide | — | 1998-03-10 |
| 5637286 | Process for producing hydrogen peroxide | — | 1997-06-10 |
| 5605670 | Method for purifying hydrogen peroxide | — | 1997-02-25 |
| 5196179 | Process for the production of hydrogen peroxide | Eva-Liisa Mustonen | 1993-03-23 |
| 5071634 | Process for the preparation of hydrogen peroxide (I) | Teuvo Maunula, Eva-Liisa Mustonen, Pirkko Virta | 1991-12-10 |