Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068463 | Process for the preparation of tetrabromo-4,4'-alkylidenediphenols | — | 1991-11-26 |
| 4289741 | Process for the production of hydrogen cyanide | Carl Voigt, Peter Kleinschmit | 1981-09-15 |