Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352788 | Derivatives of 2,4,6-triiodo-isophthalic acid, processes for their synthesis and X-ray contrasting materials containing these | Ernst Felder | 1982-10-05 |
| 4348377 | New derivatives of 2,4,6-triiodo-isophthalic acid, proceses for their synthesis and X-ray contrasting materials containing these | Ernst Felder | 1982-09-07 |
| 4278808 | Method of preparing a 3-alkoxy-2-alkyl-propionic acid ester derivative and intermediate therefor | Ernst Felder | 1981-07-14 |
| 4246164 | Process for the resolution of (+)- and (-)-6-methoxy-.alpha.-methyl-2-naphthaleneacetic acid | Ernst Felder, Hans Zutter | 1981-01-20 |