Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883835 | Flame resistant antistatic polycarbonate moulding compounds | Norbert Schon, Hans-Jurgen Kress, Herbert Eichenauer, Josef Buekers | 1989-11-28 |
| 4879367 | Process for the preparation of aliphatic polycarbonates with alkoxy silane initiator | Karl-Erwin Piejko, Bruno Bomer, Michael Hullmann | 1989-11-07 |
| 4877825 | Elasthane fibers stabilized against environmental influences | Michael Kausch, Hans Schroer, Carlhans Suling | 1989-10-31 |
| 4861878 | 1H-pyrido-(2,3-b) (1,4)-thiazines | Gerd Fengler, Alexander Klausener, Mithat Mardin, Bernhard Pelster | 1989-08-29 |
| 4851550 | Process for the preparation of cyclic aliphatic orthocarbonic esters new cyclic orthocarbonic esters | Peter Mues | 1989-07-25 |
| 4839421 | Antistatic, thermoplastic moulding compound based on polycarbonates and aromatic vinyl polymers | Norbert Schon, Herbert Eichenauer, Hans-Jurgen Kress, Josef Buekers | 1989-06-13 |
| 4816576 | Sulphonic acid amidamines | Wolfgang Wellner, Hermann Gruber | 1989-03-28 |
| 4812591 | Process for the preparation of bisphenol-bisacrylates | Werner Kloker | 1989-03-14 |