Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5886189 | Manufacture of aromatic amines | — | 1999-03-23 |
| 5861535 | Reductive alkylation process to prepare tertiary aminoaryl compounds | — | 1999-01-19 |
| 5739348 | Method of synthesizing tert-amido-substituted 2-(2'-hydroxyphenyl) benzotriazole compounds in a one-step process | Lal C. Vishwakarma | 1998-04-14 |
| 5675015 | Process for the preparation of benzotriazole derivatives | Lal C. Vishwakarma, Louis F. Valente, Barry F. Briffa | 1997-10-07 |