Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869859 | Process for the production of fluorinated surfaces of polymers | Rolf van Bonn, Horst Neumann | 1989-09-26 |
| 4800189 | Mass for removal, through chemical sorption, of homogeneously dissolved impurities, particularly oxygen, from gases or liquids | Werner Schleser | 1989-01-24 |