Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9920070 | Spiro-oxazines, indolinones and preparation thereof | Biju Akkattu Thankappan, Anup Bhunia | 2018-03-20 |
| 9783496 | Oxindole compounds, solvent-free synthesis and use thereof | Akkattu Thankappan Biju, Trinadh Kaicharla, Santhivardhana Reddy Yetra | 2017-10-10 |
| 9617280 | Spiro-oxazines, indolinones and preparation thereof | Biju Akkattu Thankappan, Anup Bhunia | 2017-04-11 |