Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888141 | Process for producing polyethylene articles having a high tensile strength and modulus | Cornelis Wilhelmus Maria Bastiaansen, Lambert H. T. Van Unen | 1989-12-19 |
| 4810450 | Process for the preparation of polyvinyl alcohol articles of high strength and modulus | Ronald M. A. M. Schellekens, Hendrikus J. J. Rutten | 1989-03-07 |