Issued Patents All Time
Showing 76–99 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5179201 | Alkyl mono-and polyglucoside ether carboxylates, and their preparation and use thereof | Elisabeth Kappes, Richard Baur, Alexander Kud | 1993-01-12 |
| 5130476 | Preparation of .beta.-alaninediacetic acid or its alkali metal or ammonium salts | Richard Baur, Charalampos Gousetis, Wolfgang Trieselt, Werner Bochnitschek | 1992-07-14 |
| 5112530 | Use of 2-hydroxy-3-aminopropionic acid derivatives as complexing agents, bleach stabilizers and builders in detergent compositions | Richard Baur, Charalampos Gousetis, Stefan Birnbach, Michael Kneip | 1992-05-12 |
| 5082599 | 2-methyl- and 2-hydroxymethyl-serine-N,N-diacetic acid and derivatives thereof | Stefan Birnbach, Richard Baur, Charalampos Gousetis, Wolfgang Trieselt | 1992-01-21 |
| 5077039 | Substituted glucosides | Richard Baur, Jochen Houben, Dieter Stoeckigt | 1991-12-31 |
| 5068416 | Preparation of .beta.-alaninediacetic acid or its alkali metal or ammonium salts | Richard Baur, Charalampos Gousetis, Wolfgang Trieselt, Werner Bochnitschek | 1991-11-26 |
| 5025103 | Glycerol aminocarboxylates and preparation and use thereof | Stefan Birnbach, Rolf Fikentscher, Richard Baur, Alexander Kud, Ulrich Goeckel +1 more | 1991-06-18 |
| 5019296 | Serine-N,N-diacetic acid and derivatives as complexing agents and detergents containing same | Richard Baur, Felix Richter, Stefan Birnbach, Rolf Fikentscher, Ekhard Winkler | 1991-05-28 |
| 5009805 | Liquid detergent with copolymer additive | Johannes Perner, Paul Diessel, Heinrich Hartmann, Walter Denzinger, Willibald Schoenleben | 1991-04-23 |
| 4997587 | Washing and cleaning agents containing .beta.-alanine-N,N-diacetic acid | Richard Baur, Charalampos Gousetis, Wolfgang Trieselt, Werner Bochnitschek | 1991-03-05 |
| 4978805 | Polyethers | Richard Baur, Stefan Birnbach, Ekhard Winkler | 1990-12-18 |
| 4973730 | Preparation of serine-N,N-diacetic acid and derivatives as complexing agents and detergents containing same | Richard Baur, Felix Richter, Stefan Birnbach, Rolf Fikentscher, Ekhard Winkler | 1990-11-27 |
| 4954369 | Chemical deposition of copper from alkaline aqueous baths | Chung-Ji Tschang, Ekhard Winkler, Guenther Gotsmann, Klaus Glaser | 1990-09-04 |
| 4952332 | Detergents that contain acyl derivatives of dihydroxydioxane as bleach activators | Rolf Fikentscher, Werner Bochnitschek, Gerold Braun, Johannes Perner, Ulrich Kaluza +1 more | 1990-08-28 |
| 4939246 | Purification of long-chain alkylglucosides | Richard Baur, Jochen Houben, Hans-Ulrich Jaeger, Johannes Perner | 1990-07-03 |
| 4936864 | Condensates of bis-(4-hydroxyphenyl) sulfone as tanning assistants, their preparation and use in the tanning of leather | Rolf Fikentscher, Dietrich Lach, Ortwin Schaffer, Rolf Streicher | 1990-06-26 |
| 4912791 | Pretreatment of textile materials: alkaline scour or bleach with organo-phosphorus compound | Werner Streit, Wolfgang Schenk, Matthias Kummer, Johannes P. Dix | 1990-04-03 |
| 4859756 | Polymers of oxyalkylated unsaturated quaternary ammonium salts, their preparation and their use | Hans-Helmut Goertz, Friedrich Vogel | 1989-08-22 |
| 4827014 | 2-Hydroxy-3-aminopropionic-n,n-diacetic acid and derivatives thereof, preparation thereof, and detergents containing same | Richard Baur, Felix Richter, Stefan Birnbach, Rolf Fikentscher, Ekhard Winkler +1 more | 1989-05-02 |
| 4816553 | Polyacetals, preparation thereof from dialdehydes and polyolcarboxylic acids, and use of same | Richard Baur, Rolf Fikentscher, Felix Richter, Wolfgang Trieselt, Paul Diessel +2 more | 1989-03-28 |
| 4814505 | Purification of n-vinylformamide | Michael Kroener, Willi Schmidt, Theo Proll, Heinrich Hartmann | 1989-03-21 |
| 4670591 | Preparation of N-.alpha.-alkoxyethylformamides | Erwin Hahn, Rolf Fikentscher | 1987-06-02 |
| 4654432 | Preparation of 2-(hydroxymethyl)-acrylonitrile and 2-(hydroxymethyl)-acrylates | Rolf Fikentscher, Erwin Hahn, Alexander Kud | 1987-03-31 |
| 4652669 | 2-(1-hydroxycarbalkoxymethyl)-acrylonitriles and 2-(1-hydroxycarbalkoxymethyl)-acrylates and their preparation | Rolf Fikentscher, Erwin Hahn, Alexander Kud | 1987-03-24 |