Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8008495 | Method for preparing tiotropium salts | Werner Belzer, Rainer Hamm, Monika Hofmann | 2011-08-30 |
| 7534812 | Process for preparation of isochroman and derivatives thereof | — | 2009-05-19 |
| 7491824 | Method for preparing tiotropium salts | Werner Belzer, Rainer Hamm, Monika Hofmann | 2009-02-17 |
| 6884886 | Process for preparing 6-aryl-4H-S-triazolo[3,4-c]-thieno[2,3-e]-1,4-diazepines | Werner Belzer | 2005-04-26 |
| 6849734 | Intermediates useful for preparing 4,6-diaminopyrido[5,4-d]pyrimidines | Werner Belzer, Werner Rall | 2005-02-01 |
| 6680384 | Process for preparing 4,6-diaminopyrimido[5,4-d]pyrimidines | Werner Belzer, Werner Rall | 2004-01-20 |