Issued Patents All Time
Showing 101–107 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041655 | Method of preparing 1,6-di(N.sup.3 -cyano-N.sup.1 -guanidino) hexane | Axel Kleemann, Horst Bethge, Rolf Braun | 1991-08-20 |
| 4966732 | Process for the production of 1,2-dithiolan-3-pentanoic acid (thioctic acid) and 8-hydrocarbylthio-6-oxooctanoic acid | Guenes Giray, Axel Kleemann, Thomas Lied | 1990-10-30 |
| 4914208 | Optically active salts of a substituted thiazolidine-4-carboxylate and 3-chloro-2-hydroxypropyltrimethyl ammonium, their preparation and use | Harald Jakob, Herbert Klenk, Axel Kleemann, Gunes Giray | 1990-04-03 |
| 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 |
| 4705867 | Process for the production of 1,2-dithiolan-3-pentanoic acid (thioctic acid) and intermediate compounds therefor | Guenes Giray, Axel Kleemann, Thomas Lied | 1987-11-10 |
| 4542240 | Process for the production of guanidine hydrochloride | Peter Schalke, Langer Manfred | 1985-09-17 |