Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987259 | Process of preparing 2,2-bis(4-aminophenyl)-hexafluoropropane | Masamichi Maruta, Showzou Kaneda, Mineo Watanabe | 1991-01-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987259 | Process of preparing 2,2-bis(4-aminophenyl)-hexafluoropropane | Masamichi Maruta, Showzou Kaneda, Mineo Watanabe | 1991-01-22 |