Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108585 | Flotation of non-sulfidic ore with a glycosidic collector | Wolfgang von Rybinski, Rita Koester, Manfred Biermann | 1992-04-28 |
| 4920100 | Alkyl gylcosides as potentiating agents in antiseptic compositions | Rudolf Lehmann, Klaus Hachmann, Manfred Biermann | 1990-04-24 |
| 4900721 | Disinfectants and their use for disinfecting the skin and mucous membrane | Klaus-Peter Bansemir, Karlheinz Disch, Klaus Hachmann, Rudolf Lehmann, Manfred Biermann | 1990-02-13 |
| 4820436 | Detergents for low laundering temperatures | Hans Andree, Horst Baumann, Manfred Biermann, Frantisek Jost, Horst-Juergen Krause +9 more | 1989-04-11 |
| 4748158 | Alkyl glycosides as potentiating agents in antiseptic, disinfecting and cleaning preparations to increase microbicidal activity | Manfred Biermann, Rudolf Lehmann, Walter Ploeger, Hans-Juergen Klueppel, Karl Schmid | 1988-05-31 |
| 4732704 | Manual dishwashing liquid detergent containing fatty alkylmonogluside | Manfred Biermann, Martin Bischoff, Ortburg Guirr, Peter Sandkuehler, Karl Schmid +3 more | 1988-03-22 |
| 4608368 | 1-hydroxy-1,1-diphosphonic acids and cytostatic use thereof | Helmut Blum, Wolfgang Greb, Hinrich Moeller, Dietrich Schmaehl, Hannsjoerg Sinn +1 more | 1986-08-26 |
| 4490398 | Process for the preparation of spice extracts | Norbert Behr, Henk van der Mei, Wolfgang Sirtl, Othmar von Ettingshausen | 1984-12-25 |
| 4417895 | Treatment of textiles with antimicrobial agents | Manfred Hennemann, Hans Andree, Rudolf Lehmann, Horst Bellinger | 1983-11-29 |
| 4264480 | Stable aqueous suspension of water-insoluble, calcium-binding aluminosilicates and organic suspending agents | Hans Andree, Dieter Jung, Martin Bischoff, Jens Conrad, Josef Huppertz +6 more | 1981-04-28 |
| 4220593 | 2-Cyclopropyl-4-isopropyl-2,5,5-trimethyl-1,3-dioxane as odorant | Klaus Bruns, Jens Conrad, Peter Meins, Hinrich Moller | 1980-09-02 |