Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7491828 | Liquid phase process for the synthesis of annulated pyridines over molecular sieve catalysts | Veera V. Krishna Kandepi, Narender Nama, Kondapuram Raghavan | 2009-02-17 |
| 6897320 | Process for preparing 2,6-divinylpyridine and 2-methyl-6-vinylpyridine from 2,6-lutidine over modified zeolites | Madhavi Gangapuram, Vijaya Raghavan Kondapuram | 2005-05-24 |
| 6800272 | Process for the preparation of ZSM-5 catalyst | Srinivasu Pavuuri, Narender Nama, Kondapuram Raghavan | 2004-10-05 |
| 6727365 | Process for the preparation of vinylpyridine from picoline over modified zeolites | Gangapuram Madhavi, Venkataraman Viswanathan, Kondapuram Raghavan | 2004-04-27 |
| 6712972 | Method for the synthesis and evaluation of porphyrins, calix (4) pyrroles and allied macrocycles | Sita Devi Pothuri, Kondapuram Vijaya Raghavan, Radha K. Motkuri, Radha Vippagunta, Mamidanna Rama Venkata Satyanarayana Murty | 2004-03-30 |
| 6605194 | Substituted calix (4) pyrroles and process for the synthesis of calix (4) pyrroles over molecular sieve catalysts | Kondapuram Vijaya Raghavan, Motkuri Kishan, Nagabandi Srinivas | 2003-08-12 |
| 6566292 | Process for the enhancement of the cycle life of a zinc-chromium based catalyst in the synthesis of 2-methylpyrazine | Sai Prasad Potharaju Seetharamanjaneya, Kondapuram Vijaya Raghavan, Panja Kanta Rao, Katabathini Narasimha Rao, Rajesh Gopinath +2 more | 2003-05-20 |
| 6528647 | Process for the synthesis of an aliphatic cyclic amine | Kondapuram Vijaya Raghavan, Radha Vippagunta, Srinivas Nagabandi | 2003-03-04 |
| 6524446 | Process for synthesis of a porphyrin compound using a molecular sieve catalyst under microwave irradiation | Kondapuram Vijaya Raghavan, Radha K. Motkuri, Srinivas Nagabandi | 2003-02-25 |
| 6495690 | Process for the synthesis of an annulated pyridine base | Kondapuram Vijaya Raghavan, Radha Vippagunta, Srinivas Nagabandi | 2002-12-17 |
| 6495695 | Process for the preparation of a collidine and 2,3,5,6-tetramethyl pyridine | Kondapuram Vijaya Raghavan, Srinivas Nagabandi, Radha Vippagunta | 2002-12-17 |
| 6492524 | Process for the synthesis of an aryl pyridine base using a zeolite catalyst | Kondapuram Vijaya Raghavan, Srinivas Nagabandi, Radha Vippagunta | 2002-12-10 |
| 6387349 | Process for the microwave induced preparation of crystalline microporous titanium silicalite | Muppa Ramakrishna Prasad, Gunda Kamalakar, Kondapuram Vijaya Raghavan, Potharaju Seetharamanjaneya Sai Prasad, Katabathini Narsimha Rao | 2002-05-14 |