Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404391 | Method for the preparation of N-methyl and -N-ethyl-1-pyrrolidones | Peter J. N. Meyer | 1983-09-13 |
| 4267362 | Process for the preparation of delta keto-acids and derivatives thereof | Peter J. N. Meyer | 1981-05-12 |