Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D423307 | Transfer apparatus for a refill container | — | 2000-04-25 |
| 4309522 | Process for the production of extensively amorphous butene-1-propene-ethene terpolymers having a high softening point | Johannes Dietrich, Albert Frese, Wolfgang Kilian | 1982-01-05 |
| 4259410 | Random propylene copolymers for electric cable insulation | Albert Frese, Otto Hahmann, Johannes Plenikowski, Helmut Klawitter | 1981-03-31 |