Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322738 | Clay building board and process for producing it | — | 1994-06-21 |
| 4929724 | Process for the production of uretdione group-containing compounds, the compounds obtained according to this process and the use thereof in the production of polyurethane plastics material | Theodor Engbert, Jurg Frohlich, Werner Kubitza, Gerhard Mennicken | 1990-05-29 |
| 4518729 | Solutions of isocyanato-isocyanurates in plasticizers for polyvinyl chloride, a process for their production and their use as adhesion-improving additives in coating compositions based on plasticized polyvinyl chloride | Helmut Hurnik, Josef Pedain | 1985-05-21 |
| 4419513 | Isocyanato-isocyanurates, and process for the production thereof | Manfred Bock, Josef Pedain, Gerhard Mennicken | 1983-12-06 |