Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596670 | Use of selected oleophilic ethers in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptability | Heinz Mueller, Claus-Peter Herold, Stephan von Tapavicza, Gerhard Stoll, Rainer Jeschke | 2003-07-22 |
| 6165946 | Process for the facilitated waste disposal of working substances based on water-in-oil invert emulsions | Heinz Mueller, Claus-Peter Herold, Thomas Foerster, Stephan von Tapavicza | 2000-12-26 |
| 6022833 | Multicomponent mixtures for use in geological exploration | Heinz Mueller, Claus-Peter Herold, Thomas Foerster, Stephan von Tapavicza, Marcus Claas | 2000-02-08 |
| 5858169 | Process for the simplified separation of multicomponent mixtures of at least partly organic origin | Wilfried Raehse, Karl-Heinz Buettgen, Ovidiu Dicoi | 1999-01-12 |
| 5814597 | Multicomponent mixtures based on water-soluble alkali metal silicate compounds and their use, more particularly as builders in detergents | Wilfried Raehse, Kathleen Paatz, Wilhelm Beck, Wolfgang Hlavacek | 1998-09-29 |
| 5785859 | Optimized process for conditioning steam-based vapor streams | Wilfried Raehse, Reiner Vogler, Wilhelm Beck, Kathleen Paatz, Truc Tran Anh +1 more | 1998-07-28 |
| 5637560 | Process for the production of surface-active anionic surfactant salts using superheated steam | Wilfried Raehse | 1997-06-10 |
| 5591707 | Process for producing free-flowing granules with superheated steam | Wilfried Raehse, Herbert Pattberg, Kathleen Paatz | 1997-01-07 |
| 5552454 | New materials for bone replacement and for joining bones or prostheses | Josef Kretschmann, Wolfgang Ritter | 1996-09-03 |
| 5537759 | Process for drying useful materials for detergents and cleaning products using superheated steam | Wilfried Raehse, Otto Koch, Joerg Schmidt | 1996-07-23 |
| 5536430 | Process of producing low-dust anionic surfactant concentrates in powder or granule form with improved solubility in aqueous media | Wilfried Raehse, Kathleen Paatz, Wolfgang Poly, Bert Gruber, Andreas Syldath +2 more | 1996-07-16 |
| 5519948 | Process for the production of granules suitable as wetting agents, detergents and/or cleaning products | Wilfried Raehse, Wilhelm Beck, Otto Koch | 1996-05-28 |
| 5508258 | Use of surface-active alpha-sulfo-fatty acid di-salts in water and oil based drilling fluids and other drill-hole treatment agents | Heinz Mueller, Claus-Peter Herold | 1996-04-16 |
| 5482717 | Resorbable bone wax | Wolfgang Ritter | 1996-01-09 |
| 5441927 | Fluid drill-hole treatment agents based on polycarboxylic acid diesters | Heinz Mueller, Claus-Peter Herold, Stephan von Tapavicza | 1995-08-15 |
| 5318956 | Use of selected ester oils in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptability | Heinz Mueller, Claus-Peter Herold, Stephan von Tapavicza | 1994-06-07 |
| 5308623 | Resorbable bone wax | Wolfgang Ritter | 1994-05-03 |
| 5244628 | Simplified process for sterilizing semi-solid to solid preparations based on oligomers of lower hydroxycarboxylic acids or their salts | Wolfgang Ritter | 1993-09-14 |
| 5194422 | Use of selected oleophilic alcohols in water-based drilling fluids of the O/W-emulsion type and corresponding drilling fluids with improved ecological acceptability | Heinz Mueller, Klaus Herold, Stephan von Tapavicza | 1993-03-16 |
| 5143730 | Resorbable bone wax | Wolfgang Ritter | 1992-09-01 |
| 4963158 | Machine washing process for soiled textile articles | Hans-Josef Beaujean, Horst Eisenblaetter, Brigitte Giesen, Erich Holz, Ulrich Jahnke +8 more | 1990-10-16 |
| 4863523 | Process for cleaning soiled solid molded articles | Alfred Meffert, Andreas Syldatk | 1989-09-05 |
| 4830784 | Laundry detergents and cleaners with reduced requirement for conventional chemicals | Alfred Meffert, Brigitte Glesen, Andreas Syldatk, Ingo Wegener | 1989-05-16 |
| 4761249 | Soil-collecting cleaning enhancers in aqueous surfactant laundering and cleaning solutions | Karl Giede, Brigitte Giesen, Horst Hoeffkes, Alfred Meffert, Andreas Syldatk | 1988-08-02 |