Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4195158 | Process for the preparation of granular oxymethylene polymers having improved mechanical properties | Karlheinz Burg, Hans-Dieter Sabel, Helmut Schlaf, Gunter Sextro | 1980-03-25 |