Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6005147 | Method of producing 3, 5, 5-trimethylcyclohexa-3-ene-1-one(.beta.-isophorone) by the isomerization of 3, 5, 5-trimethylcyclohexa-2-ene-1-(.alpha.-isophorone) | Steffen Krill, Klaus Huthmacher, Frank Hubner, Herbert Tanner | 1999-12-21 |
| 5907065 | Method of producing .beta.-isophorone by the isomerization of .alpha.-isophorone | Steffen Krill, Frank Hubner, Rainer Hahn, Klaus Huthmacher, Herbert Tanner | 1999-05-25 |
| 4914208 | Optically active salts of a substituted thiazolidine-4-carboxylate and 3-chloro-2-hydroxypropyltrimethyl ammonium, their preparation and use | Harald Jakob, Klaus Huthmacher, Herbert Klenk, Axel Kleemann | 1990-04-03 |