Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822858 | Process for the preparation of polybutadiene grafted with styrene and acrylonitrile and having a very low end content of unreacted residual monomers | Bruno Pivotto, Gualtiero Ferri | 1989-04-18 |