Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828452 | Method for producing acyl amino acids | Hans-Christian Raths, Karl Schmid, Juergen Falkowski, Ingomar Mrozek, Josef Koester | 2004-12-07 |
| 6531439 | Surfactant combination containing alkylsulfate and alkylbenzenesulfonate anionic surfactants | Georg Meine, Dieter Nickel, Thomas Mueller-Kirschbaum, Dagmar Zaika, Ansgar Behler +2 more | 2003-03-11 |
| 6455488 | Process of making alkyl sulfate granulates | Georg Assmann, Olaf Blochwitz, Ditmar Kischkel | 2002-09-24 |
| 6362157 | Method for producing tenside granulates with a higher bulk density | Olaf Blochwitz, Georg Assmann, Ditmar Kischkel, Karl Schmid | 2002-03-26 |
| 6174849 | Water-free surfactant mixtures containing alcohol sulfates | Karl Schmid, Ditmar Kischkel, Thomas Krohnen | 2001-01-16 |
| 6165961 | Water-free surface-active agents | Karl Schmid, Ditmar Kischkel, Thomas Krohnen | 2000-12-26 |
| 5939372 | Use of detergent mixtures for the production of toilet blocks | Karl Schmid, Ditmar Kischkel, Volker Bauer, Wolfgang Schmidt, Anke Grosser | 1999-08-17 |
| 5824633 | Heterogeneous surfactant granules | Ditmar Kischkel, Karl Schmid, Thomas Krohnen | 1998-10-20 |
| 5712235 | Bar soaps | Claus Nieendick, Gerhard Wollmann, Bernd Richter, Karl Schmid, Bernd Fabry | 1998-01-27 |
| 5668100 | Detergent mixtures and detergents or cleaning formulations with improved dissolving properties | Karl Schmid, Ditmar Kischkel, Thomas Krohnen, Michael Neuss, Hubert Pawelczyk +2 more | 1997-09-16 |
| 5599787 | Aqueous anionic surfactant solutions stable at low temperature comprising glycoside and alkoxylated nonionic surfactant mixtures and processes of making same | Karl Schmid, Brigitte Giesen | 1997-02-04 |
| 5597794 | Process for the production of detergent surfactant granules comprising a recycle step | Volker Bauer, Wilfried Raehse, Ditmar Kischkel | 1997-01-28 |
| 5591845 | Process for the production of surfactants having improved detergency | Karl Schmid, Brigitte Giesen | 1997-01-07 |
| 5578560 | Water-containing detergent mixtures comprising oligoglycoside surfactants | Brigitte Giesen, Guenter Kreienfeld, Karl Schmid | 1996-11-26 |
| 5538672 | Free-flowing water-containing alkyl sulfate pastes | Rainer Hofmann, Bert Gruber, Ditmar Kischkel | 1996-07-23 |
| 5536430 | Process of producing low-dust anionic surfactant concentrates in powder or granule form with improved solubility in aqueous media | Johann F. Fues, Wilfried Raehse, Kathleen Paatz, Wolfgang Poly, Bert Gruber +2 more | 1996-07-16 |
| 5523016 | Liquid pourable and pumpable surfactant preparation | Brigitte Giesen, Karl Schmid | 1996-06-04 |
| 5516447 | Method of producing granular surfactants | Volker Bauer, Jochen Jacobs, Ditmar Kischkel, Peter Kraeplin | 1996-05-14 |
| 5501817 | Process for stabilizing aqueous zeolite suspensions using a linear fatty alcohol polyglycol ether having a specific degree of ethoxylation | Ditmar Kischkel, Karl Schmid, Thomas Krohnen | 1996-03-26 |
| 5476610 | Process for stabilizing aqueous zeolite suspensions | Karl Schmid, Ditmar Kischkel | 1995-12-19 |
| 5397507 | Process for the production of washing- and cleaning-active granules | Volker Bauer, Wilfried Raehse, Ditmar Kischkel | 1995-03-14 |
| 5258142 | Liquid, free-flowing and pumpable surfactant concentrate containing mixed anionic surfactant and alkyl polyglycoside surfactant | Brigitte Giesen | 1993-11-02 |