Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703189 | Unsaturated nitrile-conjugated diene copolymer, process for producing same and vulcanizable rubber composition | Suguru Tsuji | 1997-12-30 |
| 5627250 | Unsaturated nitrile-conjugated diene copolymer, process for producing same and rubber composition | Suguru Tsuji, Misako Asada | 1997-05-06 |