Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643511 | Process for making microporous films of ultrahigh molecular weight polyethylene | Pieter B. Pluyter, Paul Smith, Hendrikus J. J. Rutten | 1997-07-01 |
| 5248461 | Process of making microporous films of UHMWPE | Pieter B. Pluyter, Paul Smith, Hendrikus J. J. Rutten | 1993-09-28 |
| 4948544 | Process for the production of thin stretched films from polyolefin of ultrahigh molecular weight | Pieter B. Pluyter, Willibrordus M. G. F. Pontenagel | 1990-08-14 |
| 4888141 | Process for producing polyethylene articles having a high tensile strength and modulus | Cornelis Wilhelmus Maria Bastiaansen, Pieter J. Lemstra | 1989-12-19 |
| 4668717 | Process for the continuous preparation of homogeneous solutions of high molecular polymers | Pieter J. Lemstra, Henricus E. H. Meijer | 1987-05-26 |
| 4434252 | Rigid polyvinyl chloride foam | Antoon Dorrestijn, Pieter J. Lemstra | 1984-02-28 |
| 4427795 | Rigid polyvinyl chloride foam | Antoon Dorrestijn, Pieter J. Lemstra | 1984-01-24 |
| 4415514 | Method for the preparation of rigid polyvinyl chloride foams | Antoon Dorrestijn, Pieter J. Lemstra | 1983-11-15 |