Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833201 | Polymer products containing polyacetylene and process for the polymerization of acetylene in the presence of polymers | Josef Witte | 1989-05-23 |
| 4769422 | Polymer products containing polyacetylene and process for the polymerisation of acetylene in the presence of polymers | Josef Witte | 1988-09-06 |