Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794521 | Process for the preparation of 2-nitrothiophene selectively from thiophene using metal exchanged clay catalysts | Boyapati Manoranjan Choudary, Mannepalli Lakshmi Kantam, Kalluri Venkata Sri Ranganath | 2004-09-21 |