Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885116 | Substituted 1,1,1-triaryl-2,2,2-trifluoroethanes and processes for their synthesis | William B. Alston | 1989-12-05 |
| 4845167 | Condensation polyimides containing 1,1,1-triaryl-2,2,2-trifluoroethane structures | William B. Alston | 1989-07-04 |