Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6380445 | Poly(9,9'-spirobisfluorenes), their production and their use | Ralf-Roman Rietz | 2002-04-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6380445 | Poly(9,9'-spirobisfluorenes), their production and their use | Ralf-Roman Rietz | 2002-04-30 |