Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346239 | Process for the preparation of 2-methylene aldehydes | Hanswilhelm Bach, Wilhelm Gick | 1982-08-24 |
| 4283564 | Process for preparing methacrolein | Wolfgang Bernhagen, Hanswilhelm Bach, Wilhelm Gick, Helmut Springer, Adolf Hack | 1981-08-11 |