Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349019 | New copolymers, mixtures thereof with poly(meth)acrylate esters and the use thereof for improving the cold fluidity of crude oils | Sigmar-Peter von Halasz, Michael Feustel, Juliane Balzer | 1994-09-20 |
| 5041553 | Process for the preparation of 2-substituted 1-(acylaminoalkyl)-2-imidazolines | Karl-Heinz Keil, Georg-Wolfgang Eckardt, Helmut Berenbold, Werner Wellbrock, Horst Frohlich | 1991-08-20 |
| 4997912 | Esters of fatty acids, which may be quaternized, from oxalkylated alkylalkylenediamines | Hermann Hoffmann, Werner Ritschel, Manfred Hofinger, Michael Mitzlaff, Dietrich Wolter | 1991-03-05 |
| 4985048 | Polymer mixtures for improving the low-temperature flow properties of mineral oil distillates | Michael Feustel, Juliane Balzer | 1991-01-15 |