Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8598243 | Macropore-containing polymer foams as insulation materials | Paul Birnbrich, Hans-Josef Thomas, Dagmar Stahlhut-Behn | 2013-12-03 |
| 5921910 | Polyglycol ether mixtures as foam inhibitors | Karl Schmid | 1999-07-13 |
| 5683611 | Preparations for the oiling of leather | Rudolf Zauns-Huber, Fredi Wolter, Guenter Uphues | 1997-11-04 |
| 5329030 | Process for the production of concentrated aqueous dispersions of .alpha.-sulfofatty acide mono- and/or disalt | Thomas Engels, Wolfgang Poly, Ansgar Behler | 1994-07-12 |
| 5215669 | Use of mixed hydroxyethers as auxiliaries for the dehydration of solids | Rita Koester, Maria Liphard | 1993-06-01 |
| 5152802 | Four component anionic and non-ionic surfactant composition for single bath and single stage dyeing of textile fibers | Faize Berger, Klaus Becker, Christa Hartschen, Bernd Wahle, Bernd-Dieter Baehr | 1992-10-06 |
| 4973423 | Foam-inhibiting additives in low-foam cleaning compositions: polyethylene glycol ethers | Juergen Geke, Erich Boebers, Robert Piorr, Karl Schmid | 1990-11-27 |
| 4965019 | Use of selected end-group closed fatty alcohol ethoxylates for low-foam, cold-sprayable cleaning agents | Karl Schmid, Alfred Meffert, Adolf Asbeck, Juergen Geke | 1990-10-23 |
| 4954283 | Polyethylene glycol ether low temperature foam suppressing agents in low-foam cleaning agents | Karl Schmid, Alfred Meffert, Adolf Asbeck, Rolf Scharf | 1990-09-04 |
| 4942049 | Process for controlling foam in food processing and production | Karl Schmid, Alfred Meffert, Adolf Asbeck | 1990-07-17 |
| 4935159 | Use of amine ethers as wetting agents for textiles | Andreas Syldatk, Robert Piorr | 1990-06-19 |
| 4931218 | Sulfated hydroxy mixed ethers, a process for their production, and their use | Robert Piorr, Sabine Luettge | 1990-06-05 |
| 4925587 | Hydroxy ethers, a process for their production, and methods for their use | Robert Piorr, Sabine Luettge | 1990-05-15 |
| 4898621 | Use of hydroxyalkyl polyethylene glycol ethers as surfactants in rinse aids for dishwashing machines | Horst Pruehs, Theodor Altenschoepfer, Robert Piorr | 1990-02-06 |
| 4744923 | Use of alkylaminopolyglycol ethers as foam-depressing additives in low-foam detergent preparations | Robert Piorr | 1988-05-17 |
| 4719044 | Polyglycol ethers containing amino groups as foam-depressing additives in low-foam detergent preparations | Robert Piorr | 1988-01-12 |