Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853288 | Stabilized red phosphorus and process for making it | Ursus Thummler, Wilhelm Adam | 1989-08-01 |
| 4853424 | Flame-retardant polymer compositions | Daniel J. Scharf | 1989-08-01 |