Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5281486 | Roofing material containing non-leachable fire retardant comprising an alkaline condensation product of a fusible phenolic resin and a dialkyl-n,n-bis(hydroxyalkyl) aminoalkyl phosphonate | — | 1994-01-25 |