Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780824 | Emulsifier system, anti-corrosive and low-temperature lubricant emulsion | Hans-Peter Oelscher | 2004-08-24 |
| 6524396 | Agent and method for machining metal and for cleaning metal or anticorrosion treatment | Hans-Peter Oelscher, Anders Johansson | 2003-02-25 |
| 6420323 | Low-foam emulgator system and emulsion concentrate containing the same | Horst-Dieter Speckmann, Bernd Stedry | 2002-07-16 |
| 6379474 | Phosphating method accelerated by N-oxides | Bernd Mayer, Peter Kuhm, Pietro Balboni, Markus Senner, Horst-Dieter Speckmann +2 more | 2002-04-30 |
| 6245723 | Cooling lubricant emulsion | Karl Sigg, Hartmut Rieger, Wiltrud Klose | 2001-06-12 |
| 6187737 | Low-foam detergent comprising a cationic surfactant and a glycol ether | Bernd Stedry, Nicole Voeller | 2001-02-13 |
| 5935920 | Cleaner with high wetting power | Friedbert Zetzsche | 1999-08-10 |
| 5795372 | Nitrogen-free corrosion inhibitors having a good buffering effect | Karlheinz Hill, Sigrid Igelmund, Bernd Stedry, Andreas Wilde, Harald Kuester | 1998-08-18 |
| 5749947 | Use of guanidinium salts of unsaturated fatty acids as corrosion inhibitors | Horst-Dieter Speckmann, Bernd Stedry, Alfred Westfechtel | 1998-05-12 |
| 5547587 | Process for denaturing and coagulating paints | Thomas Molz, Hans-Joergen Rehm, Toni Vogt | 1996-08-20 |
| 5352250 | Process of treating lacquer coagulum and its use | Lutz Huesemann, Hans-Joergen Rehm | 1994-10-04 |
| 5330564 | Aqueous coating for protecting spray cabins from enamel overspray and process for producing it | Bernhard Zange, Hans-Joergen Rehm, Hans Fehr, Thomas Molz, Kurt Buick +2 more | 1994-07-19 |
| 5326480 | Two component agent for coagulating paints, waxes, and coating compositions | Ragnar Margeit, Hans Fehr | 1994-07-05 |
| 5324437 | Use of molybdenum compounds for paint coagulation | Ragnar Margeit, Hans Rehm | 1994-06-28 |
| 5308401 | Method of cleaning a combination of ionic and nonionic surfactants | Bernd Stedry, Raina Hirthe | 1994-05-03 |
| 5286402 | Demulsifying powder-form or liquid cleaning preparations and their use | Friedbert Zetzsche | 1994-02-15 |
| 5230730 | Process for manufacturing stable, low viscosity O/W anti-rust emulsions | Horst-Dieter Speckmann, Gert-Lothar Striepling, Frank Wiechmann | 1993-07-27 |
| 5047095 | Process for simultaneous smoothing, cleaning, and surface protection of metal objects | Hermann Drosdziok, Herbert Wievelhoff | 1991-09-10 |
| 4973423 | Foam-inhibiting additives in low-foam cleaning compositions: polyethylene glycol ethers | Erich Boebers, Gilbert Schenker, 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, Gilbert Schenker, Adolf Asbeck | 1990-10-23 |
| 4933091 | Process for coagulating lacquers and the like | Ragnar Margeit | 1990-06-12 |
| 4909987 | Aroylcarboxylic acid corrosion inhibitors | Josef Penninger | 1990-03-20 |
| 4820344 | Aqueous compositions for visual inspection and cleaning of metallic surfaces | Bernhard Zange | 1989-04-11 |
| 4814108 | Cationic surfactants based on quaternary ammonium compounds and use thereof in cleaning agents | Horst Rutzen | 1989-03-21 |
| 4784798 | Demulsifying cleaning preparation having a prolonged surface-wetting effect | Friedbert Zetzsche | 1988-11-15 |