Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6933409 | Amination of aromatic hydrocarbons and heterocyclic analogs thereof | Damodara M. Poojary, Ramesh B. Borade, Alfred Hagemeyer, Xiao Ping Zhou, Christopher E. Dube +3 more | 2005-08-23 |
| 5883291 | Heat exchange media for the thermal cracking of carbamic acid esters | Dieter Schleenstein, Georg Ronge, Oswald Wilmes | 1999-03-16 |
| 5731458 | Process for thermally cracking carbamic acid esters | Jurgen Dahmer, Dieter Schleenstein, Heinrich Steude, Oswald Wilmes, Georg Ronge +3 more | 1998-03-24 |
| 5552549 | Process for the dechlorination of chlorinated aromatic compounds | Helmut Waldmann, Hans-Joachim Traenckner | 1996-09-03 |
| 5439869 | Thermoreactive recording material of particular stability | Gunter Klug, Pieter Ooms | 1995-08-08 |
| 5401798 | Gypsum-based materials, process for their preparation and their use | Jan Mazanek, Ulrich von Gizycki | 1995-03-28 |
| 5314982 | Process for the preparation of polyurea greases | Ralf Timmermann, Hermann Perrey, Bernhard Lehmann, Siegfried Kussi | 1994-05-24 |
| 4973414 | Polyethers, process for their preparation and lubricants containing these polyethers | Dittmar Nerger, Karl-Heinz Hentschel, Pramod Gupta, Siegfried Kussi | 1990-11-27 |
| 4770804 | Thickening systems for high water based functional fluids and the high water based functional fluids containing these thickening systems | Karl-Heinz Hentschel, Siegfried Kussi, Udo-Winfried Hendricks | 1988-09-13 |
| 4339592 | Process for the production of urethanes | Robert Becker, Gunter Stammann, Johann Grolig | 1982-07-13 |
| 4304922 | Process for the preparation of urethane | Robert Becker, Johann Grolig, Gunter Stammann | 1981-12-08 |
| 4297501 | Process for the preparation of urethanes | Robert Becker, Johann Grolig | 1981-10-27 |
| 4262130 | Process for the production of urethanes | Robert Becker, Johann Grolig | 1981-04-14 |
| 4219661 | Process for the production of urethanes | Robert Becker, Johann Grolig, Gerhard Scharfe | 1980-08-26 |
| 4209583 | Corrosion preventative for two-bath stabilizer baths | Werner Berthold, Artur Botta, Anita von Konig | 1980-06-24 |