Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6406734 | Method for imparting a fried onion aroma to foodstuffs | Leendert Nicolaas Fontijne | 2002-06-18 |
| 5780674 | Sulfonated phosphines, processes for their preparation, and use thereof as constituents of catalyst systems | Rainer Manetsberger, Wolfgang Anton Herrmann | 1998-07-14 |
| 5749325 | Multi-purpose strap for pets | — | 1998-05-12 |
| 5684181 | Process for the preparation of sulfonated arylphosphines | Rainer Manetsberger, Wolfgang Anton Herrmann, Christine Schwer | 1997-11-04 |
| 5663426 | Sulfonated phosphines, processes for their preparation, and use thereof as constituents of catalyst systems | Rainer Manetsberger, Wolfgang Anton Herrmann | 1997-09-02 |
| 5637762 | 5H-phenyl-3,13-disulfonatodibenzo-phosphole and a process for its preparation | Rainer Manetsberger, Wolfgang Anton Herrmann, Rochus Schmid | 1997-06-10 |
| 5451698 | Process for the preparation of sulfonated arylphosphines | Helmut Bahrmann, Peter Lappe, Wolfgang Anton Herrmann, Rainer Manetsberger, Klaus Bergrath | 1995-09-19 |