Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873218 | Low density, resorcinol-formaldehyde aerogels | — | 1989-10-10 |
| 4806290 | Low density microcellular carbon or catalytically impregnated carbon forms and process for their preparation | Robert W. Hopper | 1989-02-21 |