Issued Patents All Time
Showing 51–75 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5217642 | Polyester with tartaric acid, preparation thereof and use thereof as detergent additives, and polyesters of tartaric acid and tetracarboxylic acids | Alexander Kud, Dieter Boeckh, Heinrich Hartmann | 1993-06-08 |
| 5207941 | Use of water-soluble or water-dispersible grafted proteins as detergent additives | Matthias Kroner, Heinrich Hartmann, Wolfgang Trieselt | 1993-05-04 |
| 5206443 | Alkanediol bisacetals | Helmut Guembel, Alfred Oftring, Johannes Perner, Gerhard Wolf | 1993-04-27 |
| 5179201 | Alkyl mono-and polyglucoside ether carboxylates, and their preparation and use thereof | Alfred Oftring, Elisabeth Kappes, Alexander Kud | 1993-01-12 |
| 5162590 | Vinyl polyether alcohols | Martin Fischer, Paul Diessel | 1992-11-10 |
| 5145948 | Preparation of highly viscous adducts of butylene oxide with alcohols | Knut Oppenlaender, Roland Schwen, Charalampos Gousetis, Juergen Mohr, Helmut Mach | 1992-09-08 |
| 5130476 | Preparation of .beta.-alaninediacetic acid or its alkali metal or ammonium salts | Charalampos Gousetis, Wolfgang Trieselt, Werner Bochnitschek, Alfred Oftring | 1992-07-14 |
| 5126069 | Water-soluble or -dispersible, oxidized polymer detergent additives | Alexander Kud, Angelika Funhoff, Walter Denzinger, Heinrich Hartmann, Hans-Juergen Raubenheimer | 1992-06-30 |
| 5112530 | Use of 2-hydroxy-3-aminopropionic acid derivatives as complexing agents, bleach stabilizers and builders in detergent compositions | Charalampos Gousetis, Stefan Birnbach, Michael Kneip, Alfred Oftring | 1992-05-12 |
| 5104951 | Water-soluble copolymers and their preparation | Hans-Peter Seelmann-Eggebert, Dieter Boeckh, Heinrich Hartmann, Wolfgang Trieselt | 1992-04-14 |
| 5082599 | 2-methyl- and 2-hydroxymethyl-serine-N,N-diacetic acid and derivatives thereof | Alfred Oftring, Stefan Birnbach, Charalampos Gousetis, Wolfgang Trieselt | 1992-01-21 |
| 5077039 | Substituted glucosides | Jochen Houben, Alfred Oftring, Dieter Stoeckigt | 1991-12-31 |
| 5068416 | Preparation of .beta.-alaninediacetic acid or its alkali metal or ammonium salts | Charalampos Gousetis, Wolfgang Trieselt, Werner Bochnitschek, Alfred Oftring | 1991-11-26 |
| 5053154 | Use of adducts of 1,2-butylene oxide with H-azidic organic compounds as lubricants, and lubricants containing these adducts | Knut Oppenlaender, Roland Schwen, Charalampos Gousetis, Juergen Mohr, Helmut Mach | 1991-10-01 |
| 5025103 | Glycerol aminocarboxylates and preparation and use thereof | Alfred Oftring, Stefan Birnbach, Rolf Fikentscher, Alexander Kud, Ulrich Goeckel +1 more | 1991-06-18 |
| 5019296 | Serine-N,N-diacetic acid and derivatives as complexing agents and detergents containing same | Felix Richter, Stefan Birnbach, Rolf Fikentscher, Alfred Oftring, Ekhard Winkler | 1991-05-28 |
| 4997587 | Washing and cleaning agents containing .beta.-alanine-N,N-diacetic acid | Charalampos Gousetis, Wolfgang Trieselt, 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, Wolfgang Trieselt +1 more | 1990-12-25 |
| 4978805 | Polyethers | Stefan Birnbach, Alfred Oftring, Ekhard Winkler | 1990-12-18 |
| 4973730 | Preparation of serine-N,N-diacetic acid and derivatives as complexing agents and detergents containing same | Felix Richter, Stefan Birnbach, Rolf Fikentscher, Alfred Oftring, Ekhard Winkler | 1990-11-27 |
| 4965009 | Aqueous acidic cleaner formulations | Dieter Stoeckigt, Hans-Werner Neumann, Hans-Helmut Goertz, Norbert Wagner | 1990-10-23 |
| 4956421 | Preparation of oxyalkylated, carboxyl-containing polymers | Walter Denzinger, Heinrich Hartmann, Johannes Perner, Wolfgang Trieselt, Horst Trapp +1 more | 1990-09-11 |
| 4939246 | Purification of long-chain alkylglucosides | Jochen Houben, Hans-Ulrich Jaeger, Alfred Oftring, Johannes Perner | 1990-07-03 |
| 4935162 | Alkoxylated amido-containing polyamines and their use for breaking oil-in-water and water-in-oil emulsions | Klaus Barthold, Rolf Fikentscher, Juergen Lasowski, Knut Oppenlaender | 1990-06-19 |
| 4925905 | Preparation of water-soluble copolymers based on monoethylenically unsaturated carboxylic acids | Dieter Boeckh, Hans-Peter Seelmann-Eggebert, Heinrich Hartmann, Wolfgang Trieselt | 1990-05-15 |