Issued Patents All Time
Showing 25 most recent of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5972237 | Use of heterocyclic compounds as activators for inorganic peroxy compounds | Reinhard Muller, Thomas Wehlage, Alfred Oftring, Elisabeth Kappes, Günter Oetter +3 more | 1999-10-26 |
| 5907055 | Use of triacids based on alkoxylated tertiary amines as complexing agents | Thomas Greindl, Birgit Potthoff-Karl, Alfred Oftring, Thomas Fetzer, Richard Baur | 1999-05-25 |
| 5863879 | Dye transfer inhibitors for detergents | Michael Zirnstein, Knut Oppenlander, Claudia Nilz, Michael Kroner, Wolfgang H. H. Gunther | 1999-01-26 |
| 5846924 | Use of vinylpyrrolidone and vinylimidazole copolymers as detergent additives, novel polymers of vinylpyrrolidone and of vinylimidazole, and preparation thereof | Juergen Detering, Christian Schade, Juergen Tropsch | 1998-12-08 |
| 5677384 | Grafted polyamidoamines and grafted polyethyleneimines, preparation thereof, and use thereof as detergent additives | Juergen Detering, Christian Schade, Knut Oppenlaender, Michael Zirnstein, Guenter Scherr +1 more | 1997-10-14 |
| 5652283 | Preparation of finely divided mixtures of amphiphilic polymers and polycarboxylates and use thereof | Dieter Boeckh, Hans-Ulrich Jager, Alexander Kud, Wolfgang Buhler | 1997-07-29 |
| 5627151 | Use of vinylpyrrolidone copolymers as detergent additives, novel polymers of vinylpyrrolidone, and preparation thereof | Juergen Detering, Christian Schade, Juergen Tropsch | 1997-05-06 |
| 5622926 | Vinylpyrrolidone and vinylimidazole copolymers, their preparation and their use in detergents | Christian Schade, Juergen Detering | 1997-04-22 |
| 5286401 | Use of heterocyclic compounds as bleach activators or optical brighteners in washing and cleaning agents | Bernhard Dung, Erwin Hahn, Johannes Perner, Alfred Oftring | 1994-02-15 |
| 5273676 | Copolymers with monomers containing polyalkylene oxide blocks, preparation thereof and use thereof | Dieter Boeckh, Hans-Peter Seelmann-Eggebert, Heinrich Hartmann, Alexander Kud | 1993-12-28 |
| 5207941 | Use of water-soluble or water-dispersible grafted proteins as detergent additives | Matthias Kroner, Heinrich Hartmann, Richard Baur | 1993-05-04 |
| 5175361 | Preparation of copolymers of monoethylenically unsaturated monocarboxylic acids and dicarboxylic acids | Walter Denzinger, Heinrich Hartmann, Albert Hettche, Rolf Schneider, Hans-Juergen Raubenheimer | 1992-12-29 |
| 5142020 | Polyesters containing nonionic surfactants as cocondensed units, preparation thereof and use thereof in detergents | Alexander Kud, Dieter Boeckh, Hans-Ulrich Jaeger, Heinrich Hartmann | 1992-08-25 |
| 5130476 | Preparation of .beta.-alaninediacetic acid or its alkali metal or ammonium salts | Richard Baur, Charalampos Gousetis, Werner Bochnitschek, Alfred Oftring | 1992-07-14 |
| 5104951 | Water-soluble copolymers and their preparation | Hans-Peter Seelmann-Eggebert, Dieter Boeckh, Heinrich Hartmann, Richard Baur | 1992-04-14 |
| 5082599 | 2-methyl- and 2-hydroxymethyl-serine-N,N-diacetic acid and derivatives thereof | Alfred Oftring, Stefan Birnbach, Richard Baur, Charalampos Gousetis | 1992-01-21 |
| 5068416 | Preparation of .beta.-alaninediacetic acid or its alkali metal or ammonium salts | Richard Baur, Charalampos Gousetis, Werner Bochnitschek, Alfred Oftring | 1991-11-26 |
| 5049302 | Stable liquid detergent compositions with enchanced clay soil detergency and anti-redeposition properties | Richard J. Holland, Ornie K. Bullard, Alicia V. York, Dieter Boeckh, Paul Diessel +1 more | 1991-09-17 |
| 4997587 | Washing and cleaning agents containing .beta.-alanine-N,N-diacetic acid | Richard Baur, Charalampos Gousetis, Werner Bochnitschek, Alfred Oftring | 1991-03-05 |
| 4980088 | Detergent compositions with copolymers of 1,2-dialkoxyethylenes and monoethylenically unsaturated dicarboxylic anhydrides | Dieter Boeckh, Hans-Peter Seelmann-Eggebert, Heinrich Hartmann, Dieter Koeffer, Alexander Kud +1 more | 1990-12-25 |
| 4956421 | Preparation of oxyalkylated, carboxyl-containing polymers | Walter Denzinger, Heinrich Hartmann, Richard Baur, Johannes Perner, Horst Trapp +1 more | 1990-09-11 |
| 4952655 | Water-soluble copolymers, their preparation and their use | Hans-Peter Seelmann-Eggebert, Dieter Boeckh, Heinrich Hartmann, Alexander Kud | 1990-08-28 |
| 4925905 | Preparation of water-soluble copolymers based on monoethylenically unsaturated carboxylic acids | Dieter Boeckh, Hans-Peter Seelmann-Eggebert, Heinrich Hartmann, Richard Baur | 1990-05-15 |
| 4914172 | Water-soluble copolymers and their preparation | Hans-Peter Seelmann-Eggebert, Dieter Boeckh, Heinrich Hartmann | 1990-04-03 |
| 4914167 | Polymeric organic acids, their preparation and their use in detergents and cleansers | Juergen Hambrecht, Heinrich Hartmann, Walter Denzinger, Albert Hettche, Rolf Schneider | 1990-04-03 |