Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879327 | New phosphorous acid salts, compositions containing them, and their application as fireproofing agents | Pierre Poisson, Nadine Rivas | 1989-11-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879327 | New phosphorous acid salts, compositions containing them, and their application as fireproofing agents | Pierre Poisson, Nadine Rivas | 1989-11-07 |