Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7317065 | Method for producing highly functional, hyper branched polyester by means of enzymatic esterification | Eva Wagner, Bernd Bruchmann, Dietmar Haering, Thomas Pouhe | 2008-01-08 |
| 7299742 | Apparatus for preparing hot beverages with a boiler and an assembly for inhibiting scale | Helmut Meineke | 2007-11-27 |
| 7238773 | Countercurrent stripping pipe | Wolfgang Huebinger, Günter Staufer | 2007-07-03 |
| 7081509 | Method for producing highly functional, hyper branched polyester by means of enzymatic esterification | Eva Wagner, Bernd Bruchmann, Dietmar Haering, Thomas Pouhe | 2006-07-25 |
| 6991874 | Compositions suitable for electrochemical cells | Helmut Möhwald, Gerhard Dötter, Rainer Blum, Stephan Bauer, Bernd Bronstert | 2006-01-31 |
| 6974852 | Emulsifier system for aqueous emulsion polymerization | Bernd Stanger, Eckehardt Wistuba, Andree Dragon | 2005-12-13 |
| 6875406 | Counterflow stripping tube | Wolfgang Hubinger, Günter Staufer | 2005-04-05 |
| 6634117 | Method for drying an active part and device for carrying out this method | Paul Gmeiner | 2003-10-21 |
| 6475663 | Compositions suitable for electrochemical cells | Helmut Möhwald, Gerhard Dötter, Rainer Blum, Stephan Bauer, Bernd Bronstert | 2002-11-05 |
| 6308675 | Gas exchange valve with a hollow space | Lothar Muck | 2001-10-30 |
| 6294591 | Method for producing polymers cross-linkable by radiation, acrylic or methacrylic acid esters | Rainer Blum | 2001-09-25 |
| 6252018 | Use of a single-stage or multistage stirrer to prepare polymers | Robert Rupaner, Sven Lawrenz, Gerhard Bauer, Johannes Dobbelaar, Jurgen Nahstoll +6 more | 2001-06-26 |
| 6229043 | Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced iodine color number and a reduced chlorine content | Dietrich Scherzer, Bernd Bruchmann, Roland Minges, Willy van Pee, Wolfgang Heider +4 more | 2001-05-08 |
| 6155331 | Method for use in casting technology | Hans J. Langer, Christian Wilkening, Florian Wendt | 2000-12-05 |
| 6107487 | Methine and azamethine dyes based on 5-membered heterocycles with a trifluoromethyl group | Rainer Blum, Thomas Preiss, Jochem Henkelmann | 2000-08-22 |
| 6096858 | Removing residual volatiles from polymer dispersions | Johannes Dobbelaar, Wolfgang Hubinger, Bernd Stanger | 2000-08-01 |
| 6028135 | Preparation of aqueous polymer dispersions of low viscosity with polymer volume concentrations of at least 50% | Bernhard Schuler, Bernd Stanger | 2000-02-22 |
| 5994457 | Preparation of an aqueous polymer dispersion | Bernd Stanger, Jürgen Hartmann, Chung-Ji Tschang | 1999-11-30 |
| 5833212 | Vacuum valve | Hugo Frei | 1998-11-10 |
| 5651528 | Vacuum valve | Hugo Frei, Martin Boesch | 1997-07-29 |
| 5494942 | Process for preparing a rigid polyurethane foam and laminate articles therewith | Andreas Ottens, Ulrich Müller | 1996-02-27 |
| 5406067 | Electrically adjusted mosaic filter for use as an optical sensor in an optical measurement instrument | — | 1995-04-11 |
| 5261575 | Dispenser for pulverulent or granular materials | — | 1993-11-16 |
| 5207942 | Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced iodine color number | Dietrich Scherzer, Roland Minges, Werner Langer, Bernd Bruchmann, Wolfgang Heider +2 more | 1993-05-04 |
| 5208368 | Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates of reduced iodine color number | Dietrich Scherzer, Roland Minges, Bernd Bruchmann, Wolfgang Heider, Willy van Pee | 1993-05-04 |