Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853135 | Catalyst resins for the catalytic reduction of oxygen in aqueous media, the preparation of the catalyst resins, and new catalyst resins | Siegfried Oeckl, Friedrich Martinola | 1989-08-01 |