| 5026925 |
Method of producing catechol and hydroquinone |
Karl-Heinz Drauz, Axel Kleeman, Gebhard Ritter |
1991-06-25 |
| 4921983 |
Method for the continuous epoxidation of olefins |
Rainer Siegmeier, Willi Hofen, Helmut Maurer |
1990-05-01 |
| 4879057 |
Aqueous bleaching agent suspensions containing peroxycarboxylic acid, method for their preparation and use |
Manfred Dankowski, Thomas Lieser, Wolfgang Leonhardt, Manfred Diehl |
1989-11-07 |
| 4825011 |
Method of preparing substituted dihydroxy-benzenes |
Karl-Heinz Drauz, Axel Kleeman, Gebhard Ritter |
1989-04-25 |
| 4790949 |
Aqueous bleaching agent suspensions containing peroxycarboxylic acid, method for their preparation and use |
Manfred Dankowski, Thomas Lieser, Wolfgang Leonhardt |
1988-12-13 |
| 4720593 |
Process for the production of 1-methylcyclopropanecarboxaldehyde |
Juan Andrade, Klaus Kohler |
1988-01-19 |
| 4691062 |
Process for the production of 4-chloro-butanals |
Juan Andrade, Klaus Kohler |
1987-09-01 |
| 4680420 |
Process for the producing 2,5-dimethoxytetrahydrofuran and 2,5-diethoxytetrahydrofuran |
Juan Andrade |
1987-07-14 |
| 4626603 |
Process for the continuous production of vicinal diols |
Rainer Siegmeier, Helmut Maurer |
1986-12-02 |
| 4621072 |
Process for preparing abrasion-resistant coated catalysts |
Dietrich Arntz, Werner Burkhardt, Johannes Heilos, Reinhard Manner |
1986-11-04 |
| 4608443 |
Method for the preparation of 1,4-butandial |
Juan Andrade, Marc Samson |
1986-08-26 |
| 4605795 |
Continuous process for the production of pentanediol-1,2 |
Rainer Siegmeier, Helmut Maurer, Gunter Hering |
1986-08-12 |
| 4579979 |
Method for preparation of acetals |
Juan Andrade, Dietrich Arntz, Michael Kraft |
1986-04-01 |
| 4539409 |
Process for preparing aromatic nitriles |
Dietrich Arntz, Werner Burkhardt, Johannes Heilos, Reinhard Manner |
1985-09-03 |
| 4521618 |
Process for preparing acrylic or methacrylic acid |
Dietrich Arntz, Werner Burkhardt, Johannes Heilos, Reinhard Manner |
1985-06-04 |
| 4447615 |
Process for the purification of nicotinic acid amide I |
Helmut Beschke, Franz-Ludwig Dahm, Heinz Friedrich |
1984-05-08 |
| 4447614 |
Process for the purification of nicotinic acid amide |
Helmut Beschke, Franz-Ludwig Dahm, Heinz Friedrich |
1984-05-08 |
| 4442308 |
Process for preparing by catalytic oxidation in oxygen-containing gas mixtures, acrolein from propylene and methacrolein from isobutylene or tertiary butanol |
Dietrich Arntz, Johannes Heilos |
1984-04-10 |
| RE31381 |
Process for the preparation of propylene oxide |
Gerd Schreyer, Otto Weiberg, Rolf Wirthwein, Helmut Waldmann, Hermann Seifert +2 more |
1983-09-13 |