Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355187 | Process for the manufacture of methyl glyoxal | Ernst I. Leupold | 1982-10-19 |
| 4340748 | Process for the manufacture of glyoxylic acid esters | Ernst I. Leupold, Friedrich Wunder | 1982-07-20 |