Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331784 | Polymer particles comprising ethylenically unsaturated monomers as main constituent and having localized thereon conjugated diolefin (co-)polymer layer | Yoshiyuki Ishibashi, Eijiro Tagami, Teruo Hiraharu | 1982-05-25 |