Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385114 | Oxidation indicators comprising 3,3',5,5'-tetraalkylbenzidine compounds | Werner Guthlein, Walter Rittersdorf, Peter Vogel, Wolfgang Werner | 1983-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385114 | Oxidation indicators comprising 3,3',5,5'-tetraalkylbenzidine compounds | Werner Guthlein, Walter Rittersdorf, Peter Vogel, Wolfgang Werner | 1983-05-24 |