Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9168477 | Support tube for a filter element | Franziska Schulz | 2015-10-27 |
| 7641804 | Filter unit, filter device and filtration process for fluids | Christian Thalmann, Thomas Rodewaldt | 2010-01-05 |
| 6087305 | Mixture crop protection composition comprising the mixture and its use | Reiner Kober, Karl-Heinrich Schneider, Wilhelm Rademacher, Reinhold Stadler, Guenter Oetter +6 more | 2000-07-11 |
| 6057284 | Iso-tridecanolalkoxylates in block form as low-foam or antifoaming surfactants | Richard Baur, Helmut Gumbel, Martin aus dem Kahmen, Ulrich Kaluza, Klaus Taeger | 2000-05-02 |
| 6034257 | Method for separating glycerin from reaction mixtures containing glycerin and fatty acid amides, alkoxylated amides obtained therefrom and the use thereof | Alfred Oftring, Günter Oetter, Richard Baur, Oliver Borzyk, Christian Ott +1 more | 2000-03-07 |
| 5741947 | Preparation of alkoxylation products in the presence of mixed hydroxides modified with additives | Gerhard Wolf, Guenter Lauth, Horst Trapp, Alfred Oftring | 1998-04-21 |
| 5611906 | Preparation of N-allyl compounds | Alfred Oftring, Rudi Widder, Ulrich Schroeder | 1997-03-18 |
| 5606067 | Preparation of N-allyl compounds | Alfred Oftring, Rudi Widder, Ulrich Schroeder | 1997-02-25 |
| 5560814 | Use of thiouronium salts as brighteners for aqueous acidic electronickelization baths | Alfred Oftring, Volker Schwendemann, Ulrich Schroeder, Klaus Glaser | 1996-10-01 |
| 5541032 | Electrostatic toners containing phenacyl compounds | Alfred Oftring, Thomas Wehlage, Rainer Dyllick-Brenzinger, Karin H. Beck | 1996-07-30 |
| 5445727 | Production of nickelized shaped articles | Volker Schwendemann, Klaus Glaser, Chung-Ji Tschang, Alfred Oftring, Bernhard Dung | 1995-08-29 |
| 5445724 | Phosphonium salts and use thereof as brighteners for aqueous acidic electronickelization baths | Alfred Oftring, Volker Schwendemann, Klaus Glaser | 1995-08-29 |
| 5438140 | Production of nickelized shaped articles | Alfred Oftring, Volker Schwendemann, Klaus Glaser | 1995-08-01 |
| 5421990 | Production of shining shaped articles coated with zinc or a zinc alloy | Erwin Hahn, Bernhard Dung, Chung-Ji Tschang | 1995-06-06 |