Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321159 | Decolorization of alkylated diarylamines | John T. Lai, Deborah S. Filla | 1994-06-14 |
| 4739121 | Process for otho- and para-alkylating diphenylamines | — | 1988-04-19 |
| 4704219 | Novel composition of para-butylated and octylated, ortho-ethylated diphenylamines | — | 1987-11-03 |
| 4515957 | Purification of mercaptobenzothiazole | — | 1985-05-07 |