Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4285696 | Dyestuffs derived from triphenylmethane, their preparation and use | Jacques Pierre Edmond Pechmeze, Robert Frederic Michel Sureau | 1981-08-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4285696 | Dyestuffs derived from triphenylmethane, their preparation and use | Jacques Pierre Edmond Pechmeze, Robert Frederic Michel Sureau | 1981-08-25 |