Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5472764 | Solid coating composition for textile floor coverings | Helmut Kehr, Adolf Kuehnle, Heinrich Leppek | 1995-12-05 |
| 5412029 | Protective material capable of application in molten form | Rainer Elm, Helmut Kehr, Adolf Kuhnle | 1995-05-02 |
| 5248719 | Solid coating composition for textile floor coverings | Helmut Kehr, Adolf Kuehnle, Heinrich Leppek | 1993-09-28 |
| 5241014 | Process for the production of largely amorphous polyalphaolefins with a narrow molecular weight distribution | Helmut Kehr, Adolf Kuhnle, Heinrich Leppek | 1993-08-31 |
| 5185398 | Hot melt adhesive and coating composition | Helmut Kehr, Adolf Kuhnle | 1993-02-09 |
| 5047462 | Solid coating composition for textile floor coverings | Helmut Kehr, Adolf Kuehnle, Heinrich Leppek | 1991-09-10 |
| 4946996 | Preparation of an allyl amine and quaternary diallyl ammonium compounds therefrom | Klaus-Wilhelm Lienert | 1990-08-07 |