Issued Patents All Time
Showing 51–75 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5898084 | Preparation of N-acylaminocarboxylic acids and N-acylaminosulfonic acids and alkali metal salts thereof | Martin aus dem Kahmen | 1999-04-27 |
| 5856538 | Preparation of N-acylamino carboxylic acids and N-acylamino sulfonic acids and their alkali metal salts | Beate Strecker, Dieter Hertel, Georg Schuh | 1999-01-05 |
| 5849950 | Preparation of glycine-N,N-diacetic acid derivatives | Thomas Greindl, Gerold Braun, Jochen Wild, Birgit Potthoff-Karl, Georg Schuh | 1998-12-15 |
| 5817864 | Process for the preparation of glycine-N, N-diacetic acid derivatives | Thomas Greindl, Gerold Braun, Jochen Wild, Birgit Potthoff-Karl, Georg Schuh | 1998-10-06 |
| 5786313 | Use of glycine-N,N-diacetic acid derivatives as biodegradable complexing agents for alkaline earth metal ions and heavy metal ions and process for the preparation thereof | Juergen Schneider, Birgit Potthoff-Karl, Alexander Kud, Richard Baur, Thomas Greindl | 1998-07-28 |
| 5766612 | Use of endgroup-capped fatty amide alkoxylates | Beate Strecker, Günter Oetter, Johannes Perner, Richard Baur, Volker Schwendemann +2 more | 1998-06-16 |
| 5741947 | Preparation of alkoxylation products in the presence of mixed hydroxides modified with additives | Gerhard Wolf, Bernd Burkhart, Guenter Lauth, Horst Trapp | 1998-04-21 |
| 5739301 | 1-(2'-hydroxy and 2'-sulfatoalkyl) glycoside | Beate Strecker, Günter Oetter, Richard Schmidt, Wolfgang Klotz, Hendrik Wulff | 1998-04-14 |
| 5733342 | Hydroxamic acids and hydroxamic acid ethers, and the use thereof as complexing agents | Thomas Greindl, Alexander Kud, Volker Schwendemann, Michael Kneip, Elisabeth Kappes +3 more | 1998-03-31 |
| 5663028 | Electrostatic toners containing aminodiacetic acid derivatives | Juergen Schneider, Rainer Dyllick-Brenzinger, Karin H. Beck | 1997-09-02 |
| 5611906 | Preparation of N-allyl compounds | Bernd Burkhart, Rudi Widder, Ulrich Schroeder | 1997-03-18 |
| 5606067 | Preparation of N-allyl compounds | Bernd Burkhart, Rudi Widder, Ulrich Schroeder | 1997-02-25 |
| 5560814 | Use of thiouronium salts as brighteners for aqueous acidic electronickelization baths | Bernd Burkhart, Volker Schwendemann, Ulrich Schroeder, Klaus Glaser | 1996-10-01 |
| 5554742 | Preparation of alkyl glycosides | Gerhard Wolf, Georg Schuh, Helmut Wolf, Rudolf Alt, Hans-Heinrich Bechtolsheimer +1 more | 1996-09-10 |
| 5541032 | Electrostatic toners containing phenacyl compounds | Bernd Burkhart, Thomas Wehlage, Rainer Dyllick-Brenzinger, Karin H. Beck | 1996-07-30 |
| 5539134 | Process for the preparation of N-alkanoyl-polyhydroxyalkylamines | Beate Strecker, Helmut Wolf, Gerhard Wolf, Hans-Heinrich Bechtolsheimer, Dieter Hertel | 1996-07-23 |
| 5530159 | Preparation of .alpha.-alaninediacetic acid or its alkali metal or ammonium salts | Michael Kneip, Juergen Schneider | 1996-06-25 |
| 5527944 | .beta.-hydroxyoxime ethers and solutions or dispersions crosslinkable at room temperature with .beta.-hydroxyoxime ethers | Gerhard Bauer, Oral Aydin, Beate Strecker | 1996-06-18 |
| 5508394 | Citric esters of polyhydroxy compounds and use thereof in detergents | Elisabeth Kappes, Richard Baur, Alexander Kud, Dieter Boeckh, Heinrich Hartmann +1 more | 1996-04-16 |
| 5498704 | Preparation of alkyl glycosides | Gerhard Wolf, Guenter Oetter, Richard Schmidt, Wolfgang Klotz | 1996-03-12 |
| 5445724 | Phosphonium salts and use thereof as brighteners for aqueous acidic electronickelization baths | Bernd Burkhart, Volker Schwendemann, Klaus Glaser | 1995-08-29 |
| 5445727 | Production of nickelized shaped articles | Volker Schwendemann, Klaus Glaser, Chung-Ji Tschang, Bernd Burkhart, Bernhard Dung | 1995-08-29 |
| 5438140 | Production of nickelized shaped articles | Bernd Burkhart, Volker Schwendemann, Klaus Glaser | 1995-08-01 |
| 5286401 | Use of heterocyclic compounds as bleach activators or optical brighteners in washing and cleaning agents | Bernhard Dung, Wolfgang Trieselt, Erwin Hahn, Johannes Perner | 1994-02-15 |
| 5206443 | Alkanediol bisacetals | Richard Baur, Helmut Guembel, Johannes Perner, Gerhard Wolf | 1993-04-27 |