Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888437 | Alkyl hydroxyalkyl phosphoric acid esters | Alfred Meffert | 1989-12-19 |
| 4824603 | Amphoteric and zwitter-ionic phosphate surfactants | Hinrich Moller | 1989-04-25 |
| 4801601 | N-substituted polyglycidyl urazole compounds, processes for their production and pharmaceutical preparations | Herbert Fischer, Brigitte Hase, Hinrich Moller, Hans-Christoph Wilk | 1989-01-31 |