Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861834 | Compositions of ethylene polymers, and method for the preparation thereof | Edouard Piecuch | 1989-08-29 |
| 4818467 | Process for cooling a tubular sleeve of thermoplastic material and a device for making use thereof | Brigitte Morese-Seguela, Vincent Hervais | 1989-04-04 |