Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877502 | Poly(epoxide) coatings containing a mannich base of a hydroxystyrene containing polymer | Darrell D. Hicks | 1989-10-31 |
| 4872960 | Protective coatings of a cured hydroxystyrene mannich base and blocked polyisocyantes | Darrell D. Hicks | 1989-10-10 |
| 4847327 | Surface or electrically active copolymers of poly(4-substituted styrene/N-substituted maleimide) | Raymond W. Rupp, Richard Vicari | 1989-07-11 |
| 4822862 | Emulsion polymerization of 4-acetoxystyrene and hydrolysis to poly(p-vinylphenol | Raymond W. Rupp | 1989-04-18 |