Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885091 | Process for the preparation of chlorine-resistant semipermeable membranes | Raymond J. Swedo | 1989-12-05 |
| 4855375 | Styrene terminated multifunctional oligomeric phenols as new thermosetting resins for composites | Andrew M. Zweig, James A. Wrezel | 1989-08-08 |
| 4824920 | Vinyl-benzyl ethers of phenol-dicyclopentadiene adducts as new thermosetting resins for composites | Jeffrey P. Conrad, James A. Wrezel, Andrew M. Zweig, Jean M. J. Frechet | 1989-04-25 |
| 4816498 | Ethers of oligomeric phenol-dialdehyde condensation products and a vinyl-benzyl compound | Jean M. J. Frechet, Andrew M. Zweig, Jeffery P. Conrad | 1989-03-28 |
| 4804721 | Ethers of the condensation products of phenoldicyclopentadiene adducts with aldehydes and ketones as thermosetting resins | Jeffrey P. Conrad | 1989-02-14 |