Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392093 | Process for the oxidation of cyclohexane to adipic acid | Puthusseril Varkey Saji, Chandra Ratnasamy | 2002-05-21 |
| 6077977 | Method for preparing hydroperoxides by oxygenation | John W. Fulmer, Changaramponnath Gopinathan, John Schmidhauser | 2000-06-20 |
| 5856575 | Process for the preparation of N-acetyl aminophenols | Changaramponnath Gopinathan, Joseph Kuruvilla, Sanjeevani Amrit Pardhy, Paul Ratnasamy | 1999-01-05 |
| 5693869 | Process for the single step oxidation of 3-phenoxytoluene to 3-phenoxybenzaldehyde | Joseph Kuruvilla, Changaramponnath Gopinathan, Paul Ratnasamy | 1997-12-02 |