Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824987 | Method of preparing m-trifluoromethylphenyl acetonitrile | Axel Kleemann, Herbert Klenk, Dieter Most | 1989-04-25 |
| 4800044 | Intermediates for the production of 1,2-dithiolan acid (thioctic acid) | Guenes Giray, Axel Kleemann, Thomas Lied | 1989-01-24 |