Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071943 | Process for the isolation of tetrachlorobutane and for the production of phenolic resins from mixtures of chlorine-substituted hydrocarbons | Manfred Abele, Hans-Josef Buysch, Michael Happ, Werner Obrecht, Hugo Vernaleken | 1991-12-10 |