Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865768 | Phosphoric acid salt of the reaction product of a mono-carboxylic acid with a polyamine | Rudolf Veitenhansl, Peter Waltenberger, Guenter Uphues | 1989-09-12 |
| 4826998 | Ether sulfonates as antistatic agents | Rudolf Veitenhansl, Robert Piorr | 1989-05-02 |