Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765875 | Preparation of sulfonated lubricating agents for leather and furs | Wolf-Dieter Willmund, Jurgen Plapper, Friedrich Pieper | 1988-08-23 |
| 4655960 | Foam inhibitors for aqueous synthetic resin compositions | Juan C. Wuhrmann, Heinz Mueller, Karl-Dieter Brands, Adolf Asbeck | 1987-04-07 |
| 4655961 | Foam inhibitors for aqueous dispersions and solutions of synthetic resins | Juan C. Wuhrmann, Heinz Mueller, Karl-Dieter Brands, Adolf Asbeck | 1987-04-07 |
| 4654042 | Sulfonated lubricating agents for leather and furs process therefore | Wolf-Dieter Willmund, Jurgen Plapper, Friedrich Pieper | 1987-03-31 |
| 4418217 | Mixed formals of polyglycol ethers | Karl Schmid, Margarete Grunert, Holger Tesmann | 1983-11-29 |
| 4281196 | Quaternary ammonium compounds, their preparation, and their use as softening agents | Horst Rutzen, Martin Bischoff, Udo Kloubert, Peter Waltenberger, Ingo Wegener | 1981-07-28 |
| 4226637 | Dispersing of pigments | Heinrich Linden, Bernd Wegemund, Hans Bornmann | 1980-10-07 |
| 4184985 | Stable, aqueous or aqueous-alcoholic solutions of fat-soluble perfume oils containing hydroxyalkyl ether-ethoxylates | Fanny Scheuermann, Martin Bischoff | 1980-01-22 |