S.No FileRefNo / CSIRRefNo Patents List Title Inventors Countries Filing Date Application No Grant Date Granted No 1 PT-135 NF-238/97 A Novel Biocatalytic process for the steroeselective synthesis of s-propanolol and their related analogues M Venkateswara Rao 24-Dec-1998 3829/DEL/98 26-Apr-2004 191210 2 PT-165 NF-11/96 An efficient process for the synthesis of 4-aryl amino/alkylamino-4'-dimethyl podophyllo-toxins as potential anticancer agents N L Gayathri 27-Mar-1996 650/DEL/96 3 PT-174 NF-155/96 A Novel biocatalytic process for the regio-selective preparation of 1,2-Azidoalchols and their related analogues Y Damayanthi M Venkateswara Rao 29-Nov-1996 2634/DEL/96 03-Feb-2006 194315 4 PT-184 0307NF1996 Synthesis of Epipodo phyllotoxin analogues with promissing anti-cancer activity N L Gayathri 24-Jun-1997 1712/DEL/97 25-Jan-2002 186131 5 PT-185 NF-331-96 An Improved process for the preparation of amines from azides Y Damayanthi B Lakshmi Narayana B Satyanarayana Reddy 16-Jan-1998 108/DEL/98 11-Oct-2002 187308 6 PT-198 NF-249/97 A New and Improved process for the preparation of 4'- dimethyl epipodo-phyllotoxin key precursor for the anti cancer drugs such as etoposide and temiposide N Venugopal Rao 24-Oct-1997 3605DEL1997 07-Jun-2002 186737 7 PT-253 NF-230/99 A Process for the preparation of 1,8-napthalimide linked pyrrolo02,1-c) (1,4) benxodiazepine-5-one, analogues as potential antitumour antibioties B Satyanarayana Reddy 09-Mar-2000 209/DEL/2000 8 PT-253A NF-411/99 A Process for the preparation of 1,8-napthalimide linked pyrrolo(2,1-c) (1,4) benxodiazepine-5-one, analogues as potential antitumour antibioties B Satyanarayana Reddy 09-Mar-2000 210/DEL/2000 14-Nov-2007 212061 9 PT-263 NF-296/99 An Improved Process for the preparation of 4'-Dimethyl epipodo-phyllotoxin key precursor for the anti cancer drugs such as etoposide and teniposide N Laxman G Ramesh 03-Feb-2000 92/DEL/2000 29-Sep-2005 192492 10 PT-264 NF-329/99 Facile and efficient one-pot process for the preparation of 4 beta-substituted epipodophyllotoxins synthesis of DNA topoisomerase II inhibitors (NPF and w-68) N Laxman G Ramesh 03-Feb-2000 84/DEL/2000 16-Nov-2004 191366 11 PT-291 NF-263/2000 A Process for the preparation of new pyrrolo [2,1-C][1,4] benzodiazepines as potential antitumour agents N C Laxman G Ramesh P Ramulu O Srinivas 30-Jan-2001 116/DEL/2001 28-Feb-2009 230908 12 PT-291A NF-51/2001 A Process for the preparation of new pyrrolo [2,1-C][1,4] benzodiazepines as potential antitumour agents N C Laxman G Ramesh P Ramulu O Srinivas 30-Jan-2001 30-Mar-2001 97/DEL/2001 822782 26-Mar-2002 6362331 13 PT-296 NF-317/2000 A Process for the synthesis of new podophyllotoxin dimers as potential DNA-topoisomerase II inhibitors E Laxman Md Arifudin 29-Mar-2001 381/DEL/2001 14-Oct-2005 192516
G B Ramesh Khanna 22-Dec-2000 09/747499 27-Aug-2002 6441198 14 PT-297 NF-318/2000 A One-pot Process for the synthesis of new podophyllotoxin dimers as potential anticancer agents E Laxman P S Murali Mohan Reddy 10-Nov-2000 1006/DEL/2000 29-Sep-2005 192491 16-Feb-2001 167/DEL/2001 20-Jan-2006 192964 15 PT-300 NF-329/2000 A chemoenzymatic process for the selective preparation of both R & S enantiomers of 3-hydroxy-3-phenyl propane nitrile G B Ramesh Khanna M Venkateswara Rao K V Raghavan 19-Sep-2003 25-Jul-2003 31-Jan-2001 2002-558527 0317492.7 /IN01/0008 10-Nov-2004 GB 2387597 22-Jul-2004 2135/DELNP/04 31-Mar-2003 10/381027 08-Aug-2006 7087641 25-Mar-2003 2718512.3 10-Aug-2005 GB 1377588 13-Mar-2003 2003-580341 10-Nov-2005 02718512.3 10-Aug-2005 EP 1377588 16 PT-369 NF-233/2002 New 4 Beta-1"-[2,-(Substituted Benzoyl)Anilino] podophyllotoxin analogues useful as anti cancer agents P S Murali Mohan Reddy Switzerland 28-Mar-2002 04-Feb-2009 10-Nov-2005 /IN02/00091 2009-24314 02718512.3 Spain 10-Nov-2005 02718512.3 10-Nov-2005 02718512.3 10-Nov-2005 02718512.3 Italy 10-Nov-2005 02718512.3 17 PT-370 NF-234/2002 One-Pot Chemoenzymatic process for the preparation of chiral secondary alcohols from carbonyl compounds by in -situ transesterification M S Sandbhor M Venkateswara Rao K Venkata Ramana 28-Mar-2002 399/DEL/02 12-Jan-2009 227502 30-Sep-2004 2980/DELNP/04 05-Mar-2009 231500 31-Mar-2003 10/401754 21-Mar-2006 7015215 18 PT-381 379NF2002 New Pyrrolo[2,1-c][1,4] benzodiazepines useful as antitumour agents P S Murali Mohan Reddy D Rajasekhar Reddy Russia 28-Oct-2005 31-Mar-2003 03816507.2 2005133442 /Ib03/01164 05-Nov-2008 21-Nov-2008 1608663 2338747 Australia 2003215810 18-Jun-2009 2003-215810 Canada 2520897 24-Aug-2010 2520897
60324607.9-08 05-Nov-2008 1608663 03816507.2 05-Nov-2008 1608663 03816507.2 05-Nov-2008 1608663 20-Oct-2004 3250/DELNP/04 02-Jul-2009 235418 31-Mar-2003 10/401782 26-Apr-2005 6884799 03816509.8 28-Jan-2009 1608664 19 PT-387 436NF2002 New Non-Cross-Linking pyrrollo [2,1-c][1,4] Benzodiazepines useful as potential anti cancer agents G Ramesh O Srinivas P Ramulu Australia Canada Russia 31-Oct-2005 2003215821 2520898 2005133443 23-Apr-2009 20-Oct-2009 10-Jan-2008 AU 2003215821 CA 2520898 RU 2314309 03816509.8 28-Jan-2009 1608664 03816509.8 28-Jan-2009 1608664 03816509.8 28-Jan-2009 1608664 27-Mar-2003 497/DEL/03 31-Mar-2009 233618 20-Mar-2003 10/393406 16-May-2006 7045341 16-Dec-2002 /IB02/05508 20 PT-389 450NF2002 A Chemoenzymatic process for the stereoselective preparation of both R and S enantiomenrs of 3-Hydroxyx(2-theienyl) propanenitrile G B Ramesh Khanna R Ramu M Venkateswara Rao 16-Jun-2005 21-Jun-2005 21-Jun-2005 2004-559953 02781684.2 02781684.2 15-Apr-2009 15-Apr-2009 1573018 1573018 21-Jun-2005 02781684.2 15-Apr-2009 1573018 21-Jun-2005 02781684.2 15-Apr-2009 1573018 29-May-2003 747/DEL/03 18-Aug-2010 242189 21 PT-418 NF-152/03 New Pyrimidine linked pyrrolo[2,1-c][1,4] benzodiazepines as potential antitumour agents K Laxma Reddy 25-Mar-2003 31-Mar-2003 10/396103 /IN03/00122 27-Jan-2004 6683073 22 PT-420 150NF2003 Pyrene-Linked pyrrolo [2,1-c][1,4] benzodiazepine hybrids as anti-cancer agents G Ramesh P Ramulu O Srinivas 27-Mar-2003 25-Mar-2003 24-Oct-2005 456/DEL/03 10/396129 03719078.2 16-Mar-2009 05-Oct-2004 02-Jun-2010 232387 6800622 1608650
Canada 2520901 08-Sep-2009 CA 2520901 31-Mar-2003 /IN03/00102 24-Oct-2005 03719078.2 02-Jun-2010 1608650 24-Oct-2005 03719078.2 02-Jun-2010 1608650 24-Oct-2005 03719078.2 02-Jun-2010 1608650 28-Mar-2005 01267DELNP2005 23 PT-427 NF-333/03 C8-Linked pyrrolo[2,1-c][1,4] Benzodiazepine- Acridone/Acridine Hybrids as anti -tumour agents O Srinivas P Ramulu G Ramesh P Praveen Kumar 30-Mar-2007 25-Jul-2006 29-Jun-2006 31-Dec-2003 10/812841 0614754.0 2005-512763 /IN03/00464 06-Jun-2006 11-Jun-2008 08-Apr-2011 7056913 GB 2424884 4718328 28-Mar-2005 01270DELNP2005 31-Dec-2003 10/812840 13-Mar-2007 7189710 24 PT-431 NF-435/03 Novel C2-fluoropyrrolo[2,1-c][1,4] benzo diazepine dimers useful as anticancer agents P S Murali Mohan Reddy D Rajasekhar Reddy 31-Dec-2003 25-Jul-2006 /IN03/00448 0614749 09-Jul-2008 GB 2425309 29-Jun-2006 2005-512747 30-Sep-2011 4833663 12-Aug-2005 3821/DELNP/05 30-Mar-2004 10/812842 04-Oct-2005 6951853 25 PT-432 NF-437/03 Subsituted benzimidazoles linked to pyrrolo [2,1-C][1,4] benzodiazepines as anticancer agents P Ramulu O Srinivas 31-Dec-2003 25-Jul-2006 /IN03/00462 0614750.8 22-Oct-2008 GB 2424883 29-Jun-2006 2005-512761 28-May-2010 4520411 30-Jul-2004 1423DEL2004 22-Feb-2013 255437 30-Jul-2004 11/024240 06-Feb-2007 7173026 26 PT-456 NF-245/04 New Pyrrolo[2,1-C][1,4] benzodiazepine -anthraquinone conjugates useful as antitumour agents R Ramu G B Ramesh Khanna 30-Jul-2004 25-May-2007 /IN04/00212 0710111.6 26-Jun-2007 2007-547794 27 PT-457 New Pyrrlo[2,1-C][1,4] benzodiazepine-nepthalimide conjugates linked through piperazine moiety useful as R Ramu 30-Jun-2004 1218/DEL/04 19-Nov-2013 257917
NF-269/04 potential antitumour agents G B Ramesh Khanna 30-Jun-2004 10/881729 27-Dec-2005 6979684 30-Jun-2004 /IN04/00191 29-Sep-2006 04745134.9 03-Aug-2011 1761537 18-Oct-2006 2007-509062 03-Dec-2010 4638485 29-Sep-2006 04745134.9 03-Aug-2011 03-Aug-2011 29-Sep-2006 04745134.9 03-Aug-2011 03-Aug-2011 29-Sep-2006 04745134.9 03-Aug-2011 03-Aug-2011 13-Apr-2005 963/DEL/05 15-Oct-2007 11/911643 19-Oct-2010 7816119 28 PT-458 NF-322/04 A Chemoenzymatic process for the stereoselective preparation of (R)-gama-amino-beta-hydroxybutyric acid [(R)-GABOB] and (R) carnitine G B Ramesh Khanna T Krishnaji R Ramu 29-Nov-2005 29-Nov-2005 29-Nov-2005 /IN05/00387 05824669.5 05824669.5 06-Jan-2010 06-Jan-2010 1869199 1869199 29-Nov-2005 05824669.5 06-Jan-2010 1869199 29-Nov-2005 05824669.5 06-Jan-2010 1869199 30-Mar-2005 802/DEL/2005 27-Jun-2011 248183 23-Dec-2004 11/022275 20-May-2008 7374926 02-Dec-2005 /IN05/00398 29 PT-471 NF-469/04 An Enantioconvergent chemoenzymatic synthesis of (R)- gamma-amino-beta-hydroxybutyric acid((r)-gabob) G B Ramesh Khanna T Krishnaji R Ramu Switzerland 11-Oct-2006 16-Oct-2007 16-Oct-2007 2007507932 05824261.1 05824261.1 14-May-2010 29-Apr-2009 29-Apr-2009 4510879 EP 1833977 1833977 16-Oct-2007 05824261.1 29-Apr-2009 1833977 16-Oct-2007 05824261.1 29-Apr-2009 1833977 16-Oct-2007 05824261.1 29-Apr-2009 1833977 26-Dec-2005 3487/DEL/05 30-Dec-2005 /IN05/000459 WO/2007/00459 30 PT-481 NF-205/05 Process for production of Brassylic acid from tridecane microbial oxidation G Sheelu N W Fadnavis Canada China 12-Jun-2008 26-Jun-2008 2633020 200580052425.6 23-Nov-2011 ZL200580052425.6 30-Dec-2005 2008-548080 25-May-2012 5001953
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