Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824920 | Vinyl-benzyl ethers of phenol-dicyclopentadiene adducts as new thermosetting resins for composites | Joseph J. Zupancic, Jeffrey P. Conrad, James A. Wrezel, Andrew M. Zweig | 1989-04-25 |
| 4816498 | Ethers of oligomeric phenol-dialdehyde condensation products and a vinyl-benzyl compound | Joseph J. Zupancic, Andrew M. Zweig, Jeffery P. Conrad | 1989-03-28 |
| 4801517 | Polyarylamine compounds and systems utilizing polyarylamine compounds | Sylvie Gauthier, William W. Limburg, Rafik O. Loutfy, Dasarao K. Murti, John W. Spiewak | 1989-01-31 |
| 4800152 | Negative resist compositions | Robert David Allen, Robert J. Twieg, Carlton G. Willson | 1989-01-24 |