Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7183438 | Catalysts and method for the production of amines | Till Gerlach, Frank Funke, Johann-Peter Melder, Stefan Iselborn, Martin Rudloff | 2007-02-27 |
| 7105662 | Method of producing N-substituted 2,6-dialkylmorpholines | Michael Henningsen, Andreas Kusche, Lothar Rub, Stefan Käshammer, Till Gerlach | 2006-09-12 |
| 6790995 | Preparation of primary and secondary amines from nitriles | Joachim Pfeffinger, Arthur Hohn, Frank Funke, Frank Ohlbach, Till Gerlach | 2004-09-14 |
| 6525223 | Preparation of secondary amines from nitriles | Joachim Pfeffinger, Arthur Hohn, Frank Funke, Frank Ohlbach, Till Gerlach | 2003-02-25 |
| 5952262 | Preparation of aromatic or heteroaromatic nitriles | Lothar Karrer, Frank-Friedrich Pape, Heinz-Josef Kneuper | 1999-09-14 |
| 5747411 | Supported catalysts which are suitable for ammonoxidation | Lothar Karrer, Frank-Friedrich Pape, Ulrich Kohler, Rainer Becker, Peter Weidlich +1 more | 1998-05-05 |
| 5489694 | Preparation of R/S-.gamma.-lipoic acid or R/S-.alpha.-lipoic acid | Joachim Paust, Peter Eckes, Wolfgang Siegel, Friedhelm Balkenhohl, Walter Dobler | 1996-02-06 |
| 5380920 | Preparation of R/S-.gamma.-lipoic acid or R/S-.alpha.-lipoic acid | Joachim Paust, Peter Eckes, Wolfgang Siegel, Friedhelm Balkenhohl, Walter Dobler | 1995-01-10 |
| 4918232 | Process for separating aniline derivatives | Hans-Josef Buysch, Lothar Puppe | 1990-04-17 |
| 4879367 | Process for the preparation of aliphatic polycarbonates with alkoxy silane initiator | Karl-Erwin Piejko, Bruno Bomer, Hans-Josef Buysch | 1989-11-07 |