Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30946 | Polymeric pentaerythrityl phosphonates and their use as flame retardants | Joseph A. Hoffman, John C. Oppelt | 1982-05-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30946 | Polymeric pentaerythrityl phosphonates and their use as flame retardants | Joseph A. Hoffman, John C. Oppelt | 1982-05-25 |