Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290819 | Preparation of bead-form expandable styrene polymers | Michael Witt | 1994-03-01 |
| 5286756 | Expandable styrene polymers having a first coating containing bisamides | — | 1994-02-15 |