Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880558 | Liquid cleaning preparation for hard surfaces | Klaus-Dieter Wisotzki | 1989-11-14 |
| 4844744 | Liquid, phosphate-free single phase degreasing compositions | Herbert Leiter, Dieter Brodalla, Harald Wennemann, Andreas Buhl | 1989-07-04 |
| 4820436 | Detergents for low laundering temperatures | Hans Andree, Horst Baumann, Manfred Biermann, Horst-Juergen Krause, Fritz Lange +9 more | 1989-04-11 |
| 4820451 | Process for the production of mobile pastes of washing-active .alpha.-sulfofatty acid ester salts of high solids content | Robert Piorr, Hans J. Rommerskirchen, Horst Ritterbex | 1989-04-11 |