Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7838705 | Process for the preparation of cyclododecanone | Joaquim Henrique Teles, Beatrice Rossler, Rolf Pinkos, Thomas Genger | 2010-11-23 |
| 7674929 | Method for the production of β-aminopropionic acid derivatives | Holger Evers, Johann-Peter Melder, Harald Meissner | 2010-03-09 |
| 7541497 | Method for producing xylylenediamine (XDA) | Randolf Hugo, Sabine Jourdan, Kirsten Wenz, Alexander Weck | 2009-06-02 |
| 7528284 | Method for producing xylylenediamine (XDA) | Randolf Hugo, Sabine Jourdan, Kirsten Wenz, Alexander Weck | 2009-05-05 |
| 7449606 | Method for producing a ketone | Joaquim Henrique Teles, Beatrice Röβler, Rolf Pinkos, Thomas Genger | 2008-11-11 |
| 7368610 | Preparation of xylylenediamine (XDA) | Randolf Hugo, Sabine Jourdan, Kirsten Wenz, Alexander Weck | 2008-05-06 |
| 7339080 | Method for the production of diaminoxylene by continuous hydrogenation of liquid phthalonitrile | Randolf Hugo, Kirsten Wenz, Rolf Wambsganβ, Sabine Jourdan | 2008-03-04 |
| 7323598 | Preparation of xylylenediamine (XDA) | Randolf Hugo, Sabine Jourdan, Kirsten Wenz, Alexander Weck | 2008-01-29 |
| 7323597 | Method for the production of diaminoxylene by continuous hydrogenation of liquid phthalonitrile | Randolf Hugo, Kirsten Wenz, Sabine Jourdan | 2008-01-29 |
| 6673920 | Method for the production of N-alkenyl-amides | Arnd Bottcher, Rolf Pinkos, Rudolf Erich Lorenz | 2004-01-06 |
| 6649717 | Stabilized composition of O- and N-vinyl compounds and use of ammonium salts as stabilizers | Rudolf Erich Lorenz, Sabine Weiguny, Jochem Henkelmann | 2003-11-18 |
| 6624303 | Method for producing N-alkenyl amides | Arnd Bottcher, Rolf Pinkos, Rudolf Erich Lorenz | 2003-09-23 |
| 6479687 | Preparation of vinylphosphonic acid compounds | Jochem Henkelmann, Arnd Bottcher | 2002-11-12 |
| 6414176 | Preparation of vinylsilanes | Holger Friedrich, Jochem Henkelmann | 2002-07-02 |
| 6369282 | Preparation of alkynediols | Alois Kindler, Jochem Henkelmann | 2002-04-09 |
| 6350714 | Method for preparing a catalyst and catalysts prepared accordingly | Arnd Bottcher, Jochem Henkelmann, Melanie Brunner | 2002-02-26 |
| 6313347 | Method for producing vinyl oxime-ethers | Jochem Henkelmann, Boris A. Trofimov, Albina Mikhaleva, Alexander M. Vasiltsov | 2001-11-06 |
| 6153786 | Method for producing 2-alkynoic acid esters | Jochem Henkelmann, Arnd Bottcher, Rolf Gleiter, Christel de Backer | 2000-11-28 |
| 6143850 | Lipophilic polymeric UV absorbers | Harald Keller, Volker Schehlmann, Horst Westenfelder | 2000-11-07 |
| 6107487 | Methine and azamethine dyes based on 5-membered heterocycles with a trifluoromethyl group | Rainer Blum, Peter Keller, Jochem Henkelmann | 2000-08-22 |
| 5962700 | Butyrolactone-preparation process | Marc Heider, Thomas Ruhl, Jochem Henkelmann, Susanne Stutz, Heinz Rutter +2 more | 1999-10-05 |
| 5840986 | Preparation with heterogeneous catalysis of N-alkyl-substituted aminoalkynes | Jochem Henkelmann, Joachim Wulff-Doring, Susanne Stutz | 1998-11-24 |
| 5831129 | Preparation, with heterogeneous catalysis, of N-hydroxyalkyl-substituted aminoalkynes | Jochem Henkelmann, Joachim Wulff-Doring, Susanne Stutz, Thomas Ruhl | 1998-11-03 |
| 5808160 | Preparation of hydroxy-alkyl-substituted aminoalkynes with heterogenous catalysis | Thomas Ruhl, Jochem Henkelmann | 1998-09-15 |