Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5247056 | Para-phenylene diamine polymer color improvement | Vlodek Gababa | 1993-09-21 |
| 5057602 | Para-phenylene diamine polymer color improvement with sequestering agent | Vlodek Gabara | 1991-10-15 |