Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4228244 | Process for preparing fine particle expandable styrene polymers containing small concentrations of organic bromine compounds | Josef K. Rigler, Horst Leithauser, Karl Trukenbrod | 1980-10-14 |