Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7037478 | Method for continuous producing hydroxylammonium salts | Michael Bender, Albert Schenkel | 2006-05-02 |
| 6534681 | Method for preparing highly stabilized hydroxylamine solutions | Otto Watzenberger | 2003-03-18 |
| 5441607 | Recovery of caprolactam from distillation residues obtained in the purification of caprolactam | Hugo Fuchs, Josef Ritz, David Weatherford | 1995-08-15 |
| 4894474 | Preparation of alkyl pentenoates | Robert Maerkl, Werner Bertleff, Gunter Schuch, Wolfgang Harder, Gebhard Kuehn +1 more | 1990-01-16 |
| 4598058 | Molded catalyst materials containing reduced cobalt and/or nickel particles | Gerhard Frank, Gerald Neubauer, Paul Duffner | 1986-07-01 |
| 4521527 | Molded iron catalyst and its preparation | Gerhard Frank, Peter Rudolf, Gerald Neubauer, Manfred Ohlinger, Emil Pfannebecker +1 more | 1985-06-04 |
| 4492804 | Preparation of primary amines | Gerhard Frank, Peter Rudolf, Gerald Neubauer, Paul Duffner, Manfred Ohlinger +1 more | 1985-01-08 |