| 8349134 |
Method for producing high dry strength paper, paperboard or cardboard |
Anton Esser, Hans-Joachim Haehnle, Martin Ruebenacker, Norbert Schall, Josef Neutzner +2 more |
2013-01-08 |
| 8097126 |
Aqueous composition and use thereof for paper production |
Hans-Joachim Haehnle, Anton Esser, Volker Braig, Rainer Blum, Peter G. Baumann +1 more |
2012-01-17 |
| 7951265 |
Aqueous slurries of finely divided fillers, their preparation and their use for the production of filler-containing papers |
Anton Esser, Volker Braig, Martin Wendker, Rainer Blum, Peter G. Baumann +2 more |
2011-05-31 |
| 7888524 |
Process for preparing sulfuric monoesters from amino alkanols |
Reinhard W. Hoffmann, Ekhard Winkler, Manfred Winter |
2011-02-15 |
| 7549859 |
Installation and process for calcining a mineral load containing a carbonate in order to produce a hydraulic binder |
— |
2009-06-23 |
| 6475348 |
Mixture of substances containing compounds with vinyl groups and stabilizers |
Heinz Friedrich Sutoris, Konrad Mitulla, Claus Kaliba |
2002-11-05 |
| 6379588 |
Stabilized monomer composition |
Heinz Friedrich Sutoris, Andreas Koch, Alexander Aumuller, Manfred Niessner |
2002-04-30 |
| 6147145 |
Stabilized monomer composition |
Alexander Aumuller, Andreas Koch, Heinz Friedrich Sutoris, Manfred Niessner |
2000-11-14 |
| 6033530 |
Continuous distillation of thermolabile monomers |
Manfred Winter |
2000-03-07 |
| 5951828 |
Continuous distillation of thermolabile monomers |
Manfred Winter, Michael Kroner |
1999-09-14 |
| 5935896 |
Catalyst supports and catalysts for dehydrocyanation reactions and processes for producing them |
Peter Trubenbach, Ekkehard Schwab, Michael Kroner |
1999-08-10 |
| 5713734 |
Equipment for and method of calcination of mineral materials with reduced emission of nitrogen oxides |
Michel Makris, Jean-Luc Sue |
1998-02-03 |
| 5326909 |
Stabilization of monomeric N-vinylformamide |
Michael Kroener |
1994-07-05 |
| 5245058 |
Preparation of 1-nitroanthraquinone-2-carboxylic acids |
Helmut Hagen, Michael Acker, Udo Bergmann |
1993-09-14 |
| 5198575 |
Preparation of nitrobenzoic and anthranilic acids |
Helmut Hagen |
1993-03-30 |
| 5196573 |
Process for the preparation of sulfonated anthranilic acids |
Manfred Patsch, Klaus Pandl, Helmut Hagen |
1993-03-23 |
| 5130434 |
Preparation of 3-methylquinoline-8-carboxylic acid |
Helmut Hagen, Karlheinz Arbogast |
1992-07-14 |
| 5006659 |
Preparation of 7-chloroquinoline-8-carboxylic acids |
Helmut Hagen, Heinz Eilingsfeld |
1991-04-09 |
| 4957608 |
Preparation of 8-bromomethyl-3-methylquinoline compounds |
Helmut Hagen, Rolf-Dieter Kohler |
1990-09-18 |
| 4845226 |
Preparation of 8-bromomethyl-3-methylquinoline compounds |
Helmut Hagen, Rolf-Dieter Kohler |
1989-07-04 |
