Issued Patents All Time
Showing 76–100 of 128 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5205959 | Alkali-stable foam inhibitors | Karin Koren, Detlev Stanislowski, Michael Langen | 1993-04-27 |
| 5069817 | Process for making polyoxyethylene surfactants with desirable low temperature behavior | Alfred Meffert, Klaus Friedrich, Michael Langen, Klaus Herrmann | 1991-12-03 |
| 5057247 | High-viscosity, neutral polyol esters | Uwe Ploog, Alfred Meffert | 1991-10-15 |
| 4990288 | Control of disalt in .alpha.-sulfofatty acid ester surfactants | Robert Piorr, Guenter Panthel, Dietmar Colignon, Hans J. Rommerskirchen, Wolfgang Schmidt +1 more | 1991-02-05 |
| 4981893 | Foam inhibitors for polymer dispersions | Rainer Hoefer, Adolf Asbeck, Uwe Held | 1991-01-01 |
| 4973431 | Process for the recovery of methyl-branched, saturated C.sub.14 -C.sub.24 - f | Alfred Struve, Horst Baumann, Alfred Meffert | 1990-11-27 |
| 4973423 | Foam-inhibiting additives in low-foam cleaning compositions: polyethylene glycol ethers | Juergen Geke, Erich Boebers, Gilbert Schenker, Robert Piorr | 1990-11-27 |
| 4971777 | Process for the removal of acid components and nitrogen oxides from the waste gases of industrial furnaces | Bernhard Firnhaber, Cort Starck, Hans-Werner Gosch, Richard Wenderoth, Rolf Wetzel +1 more | 1990-11-20 |
| 4967017 | Alcohol ethoxylates of reduced EO content or residual PO content | Alfred Meffert, Klaus Friedrich, Michael Langen, Klaus Herrmann | 1990-10-30 |
| 4965019 | Use of selected end-group closed fatty alcohol ethoxylates for low-foam, cold-sprayable cleaning agents | Alfred Meffert, Gilbert Schenker, Adolf Asbeck, Juergen Geke | 1990-10-23 |
| 4957641 | Use of alkoxyhydroxy fatty acids as corrosion inhibitors in oils and oil-containing emulsions | Gerhard Borggrefe, Alfred Meffert, Bert Gruber | 1990-09-18 |
| 4954283 | Polyethylene glycol ether low temperature foam suppressing agents in low-foam cleaning agents | Alfred Meffert, Gilbert Schenker, Adolf Asbeck, Rolf Scharf | 1990-09-04 |
| 4942049 | Process for controlling foam in food processing and production | Alfred Meffert, Gilbert Schenker, Adolf Asbeck | 1990-07-17 |
| 4937596 | Ink printer head | — | 1990-06-26 |
| 4937011 | Detergent compositions containing active chlorine and ketone foam inhibitors | Adolf Asbeck, Christoph Breucker, Bernhard Gutsche, Alfred Meffert, Horst Rutzen | 1990-06-26 |
| 4889925 | Process for the purification of alkyl glycosides, products obtainable by this process and their use | Manfred Biermann | 1989-12-26 |
| 4874579 | Acylated 3-amino-1,2,4-triazoles as corrosion inhibitors for non-ferrous metals | Josef Penninger, Hinrich Moeller | 1989-10-17 |
| 4853145 | Alkyl and alkenyl diethanolamine compounds as solubilizers for low-foam surfactants | Adolf Asbeck, Detlev Stanislowski | 1989-08-01 |
| 4842695 | Arrangement of a dry cooler for coke | Friedrich Jokisch, Dieter H. W. Heese, Bruno Hillinger, Georg Beckmann, Norbert Heger | 1989-06-27 |
| 4839098 | Liquid detergent | Klaus-Dieter Wisotzki, Ortburg Guirr, Peter Jeschke, Klaus Schumann, Manfred Biermann | 1989-06-13 |
| 4832868 | Liquid surfactant mixtures | Alfred Meffert, Fritz Lange | 1989-05-23 |
| 4797222 | Foam inhibitor mixture | Rainer Hoefer, Adolf Asbeck, Uwe Held | 1989-01-10 |
| 4793850 | Evaporation inhibitor compositions | Josef Koester, Konrad Albrecht, Paul Bittner, Fritz Keim | 1988-12-27 |
| 4780237 | Low foam surfactant mixtures | Adolf Asbeck, Detlev Stanislowski | 1988-10-25 |
| 4768904 | Apparatus for broaching cylindrical surfaces of a workpiece, in particular of a crankshaft | — | 1988-09-06 |