Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041662 | Process for the production of guanidine nitrate from urea and ammonium nitrate | Wolfgang Kristof, Peter Reitsamer, Kurt Scheinost | 1991-08-20 |
| 4914235 | Process for obtaining guanidine hydrohalides from by-product mixtures obtained in the production of mercaptoalkylsilanes | Ferdinand Beck | 1990-04-03 |
| 4584076 | Process for obtaining lignin from alkaline solutions thereof | Eugen Edel, Josef Feckl, Albert Huber, Dietrich Wabner | 1986-04-22 |