Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865774 | Surface-active hydroxysulfonates | Bernd Fabry, Astrid Schumacher | 1989-09-12 |
| 4826998 | Ether sulfonates as antistatic agents | Rudolf Veitenhansl, Wolfgang Froeschke | 1989-05-02 |
| 4820451 | Process for the production of mobile pastes of washing-active .alpha.-sulfofatty acid ester salts of high solids content | Hans J. Rommerskirchen, Horst Ritterbex, Frantisek Jost | 1989-04-11 |