Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845252 | Method for the catalytic epoxidation of olefins with hydrogen peroxide | Manfred Schmidt, Guenter Prescher, Johann Buchler | 1989-07-04 |
| 4827029 | Process for the isolation of L-amino acids | Kurt Klostermann, Wolfgang Leuchtenberger, Rudi E. Moerck, Michael Karrenbauer | 1989-05-02 |
| 4824987 | Method of preparing m-trifluoromethylphenyl acetonitrile | Herbert Klenk, Klaus Huthmacher, Dieter Most | 1989-04-25 |
| 4800044 | Intermediates for the production of 1,2-dithiolan acid (thioctic acid) | Guenes Giray, Klaus Huthmacher, Thomas Lied | 1989-01-24 |