Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4246188 | Arylsulfonic acid bromophenyl esters, their preparation, and their use as flameproofing agents | Hermann Richtzenhain | 1981-01-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4246188 | Arylsulfonic acid bromophenyl esters, their preparation, and their use as flameproofing agents | Hermann Richtzenhain | 1981-01-20 |