Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7205440 | Method of producing amines | Friedrich Dürrholz, Herbert Diehl | 2007-04-17 |
| 7148407 | Fungal beta-glucuronidase genes and gene products | — | 2006-12-12 |
| 6716889 | Process for the preparation of strongly basic anion exchangers using ethylene oxide | Holger Lutjens, Axel Ingendoh, Karl-Rudolf Gassen, Klaus Rall | 2004-04-06 |
| 6294502 | Thermally-responsive record material | Mark Robert Fisher, John Charles DeBraal, Guido Steffan | 2001-09-25 |
| 6015771 | Thermally-responsive record material | Mark Robert Fisher, John Charles DeBraal, Guido Steffan | 2000-01-18 |
| 4355185 | Process for the preparation of 2-mercaptoalkyl-sulphides and 2-mercaptoalkylethers | Peter Bergthaller | 1982-10-19 |
| 4341719 | Process for the preparation of 1-amino-2-ethoxy-naphthalene-6-sulphonic acid | Rolf Putter, Theodor Pfister, Manfred Niese | 1982-07-27 |