Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597794 | Process for the production of detergent surfactant granules comprising a recycle step | Volker Bauer, Andreas Syldath, Ditmar Kischkel | 1997-01-28 |
| 5591707 | Process for producing free-flowing granules with superheated steam | Johann F. Fues, Herbert Pattberg, Kathleen Paatz | 1997-01-07 |
| 5587104 | Readily soluble dry concentrates containing ingredients of detergents | Christiane Zeise, Jochen Jacobs, Juergen Hoffmeister | 1996-12-24 |
| 5544427 | Process for the production of granules suitable as wetting agents, detergents and/or cleaning products | Wilhelm Beck, Dieter Jung, Dieter Sonnemann | 1996-08-13 |
| 5537759 | Process for drying useful materials for detergents and cleaning products using superheated steam | Johann F. Fues, 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 | Johann F. Fues, 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 | Johann F. Fues, Wilhelm Beck, Otto Koch | 1996-05-28 |
| 5431780 | Process for spray-drying materials and mixtures thereof using superheated steam | Volker Bauer | 1995-07-11 |
| 5397507 | Process for the production of washing- and cleaning-active granules | Volker Bauer, Andreas Syldath, Ditmar Kischkel | 1995-03-14 |
| 5382377 | Process for the production of detergents | Jochen Jacobs, Hans-Friedrich Kruse, Guenther Vogt, Eduard Smulders, Monika Boecker | 1995-01-17 |
| 5334324 | Bleach activators in granular form | Christiane Zeise, Jochen Jacobs | 1994-08-02 |
| 5318733 | Production of compacted granules for detergents | Franz-Josef Carduck, Hubert Pawelczyk, Jochen Jacobs, Eduard Smulders, Guenther Vogt | 1994-06-07 |
| 5290496 | Process for the production of granules of a detergent | Franz-Josef Carduck, Hubert Pawelczyk, Jochen Jacobs | 1994-03-01 |
| 5182054 | Process for granulating perborate monohydrate | Volker Bauer, Klaus Koester, Jochen Jacobs | 1993-01-26 |
| 5013832 | Process for working up water-soluble cellulose derivatives having high flocculation points | Willi Wuest, Guenther Just | 1991-05-07 |
| 4968789 | Process and means for the purification of cellulose ethers | Willi Wuest, Guenther Just, Dieter Kuehling, Siegfried Emde, Erhard Kuehn | 1990-11-06 |
| 4963271 | Process for the separation and purification of cellulose ethers and cellulose derivatives | Willi Wuest, Norbert Kuehne | 1990-10-16 |
| 4886602 | Process for the separation of biotechnologically produced valuable materials from a fermenter broth by crossflow micro- and/or ultrafiltration | Norbert Kuehne, Franz-Josef Carduck | 1989-12-12 |
| 4751003 | Crossflow microfiltration process for the separation of biotechnologically produced materials | Franz-Josef Carduck, Norbert Kuehne | 1988-06-14 |
| 4728731 | Reactor and its use in polysaccharide ether production | Willi Wuest, Norbert Kuehne | 1988-03-01 |
| 4507474 | Process for highly substituted carboxyalkyl celluloses and mixed ethers thereof | Norbert Kuehne, Willi Wuest, Konrad Engelskirchen | 1985-03-26 |