Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7214830 | Process for the preparation of acylphosphines, acyl oxides and acyl sulfides | David G. Leppard, René Kaeser, Gebhard Hug, Urs Schwendimann | 2007-05-08 |
| 7094931 | Process for the preparation of acylphosphines, acyl oxides and acyl sulfides | David G. Leppard, René Kaeser, Gebhard Hug, Urs Schwendimann | 2006-08-22 |
| 6888031 | Process for the preparation of acylphosphines, acyl oxides and acyl sulfides | David G. Leppard, René Kaeser, Gebhard Hug, Urs Schwendimann | 2005-05-03 |
| 5811569 | Intermediates for pyrazolyl acetic acid derivatives | Erwin Waldvogel | 1998-09-22 |
| 5670648 | Intermediates for pyrazolyl acetic acid derivatives | Erwin Waldvogel | 1997-09-23 |