Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833186 | Polymeric compositions endowed with self-extinguishing properties containing melamine bromohydrate | Guido Bertelli | 1989-05-23 |
| 4798857 | Complexes of bismuth or antimony halides with amines, suitable as flame retardants for polymers, and polymer compositions containing same | Guido Bertelli, Patrizia Busi | 1989-01-17 |