Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426063 | Hair-treatment compositions comprising oligoesters | — | 2002-07-30 |
| 5716569 | Granulated bleaching activators and their preparation | Helmut Berenbold, Georg Borchers, Jurgen Cramer, Gerhard Noltner, Gerd Reinhardt | 1998-02-10 |
| 5492995 | Polycondensates containing phosphinic or phosphonic acid groups and siloxane groups | Fritz Engelhardt, Karl-Heinz Keil, Jurgen Kuhlwein, Willi Steckelberg, Ralf Zerrer +1 more | 1996-02-20 |
| 5488123 | Polycondensates containing polysiloxane groups | Fritz Engelhardt, Jurgen Kuhlwein, Ralf Zerrer, Werner Antwerpen | 1996-01-30 |
| 5100576 | Process for the preparation of a readily soluble bleach activator granulate with a long shelf life | Jurgen Cramer, Helmut Kramer, Gerhard Noltner | 1992-03-31 |