Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8124783 | Process for producing 1-benzyl-4-[5,6-dimethoxy-1-indanon-2-yl)methyl] piperidine or its salt thereof via novel intermediate | Shailendra Kumar Dubey, Amit Sharma, Beena S. Rani, Soumendu Paul, Rajesh Kumar Thaper +1 more | 2012-02-28 |
| 7678927 | Process for lactonization in the preparation of statins | Govind Singh, Paramvir Bhadwal, Sanjay Jaiswal, Dinesh Panchasara, Rajesh Kumar Thaper +1 more | 2010-03-16 |
| 6235896 | Process for the preparation of cefuroxime | Vijay Kumar Handa, Ramesh Dandala | 2001-05-22 |
| 5939564 | Process of lactonization in the preparation of statins | Yatendra Kumar, Rajesh Kumar Thaper, S. M. Dileep Kumar | 1999-08-17 |
| 5917058 | Process of lactonization in the preparation of statins | Yatendra Kumar, Rajesh Kumar Thaper, S. M. Dileep Kumar | 1999-06-29 |
| 5869649 | Process for producing cephalosporin antibiotics | Vijay Kumar Handa, Ramesh Dandala, Ram Chander Aryan | 1999-02-09 |
| 5792874 | Process for the manufacture of 8-chloro-6-(2-flourophenyl)-1-methyl-4H-imidazo1,5A!1,4!benzodiazepine (midazolam) | Naresh Kumar, Chandrahas Khanduri, Mukesh Sharma, Pankaj Sharma, Swargam Sathyanarayan +1 more | 1998-08-11 |
| 5763646 | Process for manufacturing simvastatin from lovastatin or mevinolinic acid | Yatendra Kumar, Rajesh Kumar Thaper, Satyananda Misra, S. M. Dileep Kumar | 1998-06-09 |
| 5763653 | Key intermediates in the manufacture of simvastatin | Yatendra Kumar, Rajesh Kumar Thaper, Satyananda Misra, S. M. Dileep Kumar | 1998-06-09 |
| 5756729 | Process for the manufacture of 8-chloro-6 (2-fluorophenyl)-1 methyl-4H-imidazo 1,5a! 1,4! benzodiazepine (midazolam) | Naresh Kumar, Chandrahas Khanduri, Mukesh Sharma, Pankaj Sharma, Swargam Sathyanarayan +1 more | 1998-05-26 |
| 5696275 | Process for the manufacture of pharmaceutical grade ranitidine base | Naresh Kumar, Brij Khera, Purna Chandra Ray | 1997-12-09 |
| 5631367 | E-rotamers of 3-hydroy cephem derivatives | Yatendra Kumar, Arun Malhotra, Rakesh Arora, Neera Tiwari | 1997-05-20 |
| 5621120 | Process for the manufacture of form 1 ranitidine hydrochloride | Naresh Kumar, Brij Khera, Mahavir Singh Khanna | 1997-04-15 |
| 5536830 | Process for P-nitrobenzyl ester cleavage in cephalosporin | Yatendra Kumar, Rakesh Arora, Neera Tiwari, Shailendra Singh | 1996-07-16 |
| 5410044 | Process for preparing Z and E-rotamers of 3-hydroxy cephem derivatives | Yatendra Kumar, Arun Malhotra, Rakesh Arora, Neera Tiwari | 1995-04-25 |
| 5347000 | Process for the preparation of 2-chlorosulfinylazetidinone | Yatendra Kumar, Arun Malhotra | 1994-09-13 |
| 5159071 | Process for the manufacture of 7-amino-3-exomethylene-3-cepham-4-carboxylic acid ester | Yatendra Kumar, Mashkoor Husain | 1992-10-27 |
| 5070195 | Ring-opening process for preparation of 2-chlorosulfinyl azetidinones | Naresh Kumar, Kiran Bala, Yatendra Kumar | 1991-12-03 |