Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055295 | Lysis of fibrin blood clots with urokinase and pro-urokinase | Dieter Welzel | 1991-10-08 |
| 4995725 | Monochromator arrangement | Wolfgang Riedel, Manfred Knothe, Roland Grisar, Horst M. Preier | 1991-02-26 |
| 4734506 | 4-amino-3-imidazolin-2-one | Siegfried Maeke, Adolf Bauer, Hubert S. Vogt | 1988-03-29 |
| 4721826 | Process for restoring or maintaining the activity of heterogeneous catalysts for reactions at normal and low pressures | Helmut Tiltscher, Joachim Schelchshorn, Kurt Dialer | 1988-01-26 |
| 4705649 | Preparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts | Wolf-Dieter Balzer, Hans-Heinrich Bechtolsheimer, Karl-Heinz Beyer, Rolf Fikentscher, Johannes Perner +1 more | 1987-11-10 |
| 4704453 | Preparation of alkylglucosides | Klaus Lorenz, Wolf-Dieter Balzer, Wolfgang Trieselt, Gerd Busse | 1987-11-03 |
| 4695412 | Preparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts | Wolf-Dieter Balzer, Hans-Heinrich Bechtolsheimer, Karl-Heinz Beyer, Rolf Fikentscher, Johannes Perner +1 more | 1987-09-22 |
| 4693848 | Preparation of alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids | Wolf-Dieter Balzer, Hans-Heinrich Bechtolsheimer, Karl-Heinz Beyer, Rolf Fikentscher, Johannes Perner +1 more | 1987-09-15 |
| 4629060 | Apparatus for handling bulk material | Hans Schlegel | 1986-12-16 |
| 4624803 | Fatty alcohol oxyalkylates, possessing blocked terminal groups, for industrial cleaning processes, in particular bottle-washing and metal-cleaning | Wolf-Dieter Balzer, Klaus Lorenz, Wolfgang Trieselt, Dieter Stoeckigt, Albert Hettche | 1986-11-25 |
| 4623730 | Processes for preparing 4-amino-3-imidazolin-2-one and (2-methoxy-2-iminoethyl)urea | Siegfried Maeke, Adolf Bauer, Hubert S. Vogt | 1986-11-18 |
| 4605811 | Process for restoring or maintaining the activity of heterogeneous catalysts for reactions at normal and low pressures | Helmut Tiltscher, Joachim Schelchshorn, Kurt Dialer | 1986-08-12 |
| 4588531 | Preparation of alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids | Wolf-Dieter Balzer, Hans-Heinrich Bechtolsheimer, Karl-Heinz Beyer, Rolf Fikentscher, Johannes Perner +1 more | 1986-05-13 |
| 4363396 | Device for building-up and discharging an annular dump of bulk material | Hans Schlegel | 1982-12-14 |