PATENT NUMBER

DATE OF GRANT

TITLE

INVENTOR(S)

276287

10-Oct-16

An improved process for preparation of trans-3,4-diarylchroman

Devi Prasad Sahu

274841

11-Aug-16

Herbal formulations for local contraception

Satyawan Singh, Anil Kumar Dwivedi, Raghwendra Pal, Shekhar Chandra Sharma & Gopal Gupta

272087

16-Mar-16

A Mercapto Phenyl Napthyl Methane compounds and preparation therefore

Sangita, Kumar Atul, Singh Man Mohan, Jain Girish Kumar, Murthy Puvvada Sri Ramanchandra & Suprabhat Ray

271697

29-Feb-16

Substituted 6-(1-aryl ethyl)-1, 2, 4-trioxanes

Chandan Singh, Ajit Shankar Singh & Sunil Kumar Puri

271474

23-Feb-16

Novel substituted benzocycloalkyl azole derivatives as antileishmanial agents

Kalpana Bhandari, Nagarapu Srinivas, Shraddha Palne, Nishi & Suman Gupta

271422

19-Feb-16

Novel lipophilic ether derivatives of dihydroartemisinin as antimalarials

Chandan Singh, Sandeep Chaudhary & Sunil Kumar Puri

266250

20-Apr-15

An intra-vaginal abortifacient gel composition

Satyawan B. Jadhav, Rabi Sankar Bhatta, Man Mohan Singh & Girish Kumar Jain

265054

04-Feb-15

NOVEL CYCLOPROPA [a]NAPHTHALENES AND A PROCESS FOR THE PREPARATION THEIROF

ATUL GOEL, FATEH VEER SINGH, PUJA GARG, PREETI DOHARE, MADHUR RAY

258311

30-Dec-13

Composition and methods of nonionic surfactant based vesicular formulation for improved delievery of cyclosporine

Prabhat Ranjan Mishra, Vure Prasad, Anil Kumar Dwivedi & Satyawan Singh

258216

18-Dec-13

Novel alkyl amino substituted naphtho (1,2-d) oxazole

Pervez Ahmad, Preeti Tiwari, Brajendra Kumar Tripathi, Arvind Kumar Srivastava & Atul Kumar

257469

05-Oct-13

C-3  alkyl or arylalkyl substituted 2,3- dideoxy glucopyranosides and a process for preparation thereof

Ram Sagar, Mohd. Saquib, Arun Kumar Shaw, Anil Nilkanth Gaikwad, Sudhir Kumar Sinha, Anil Srivastava, Vinita Chaturvedi, Manju Yashoda Krishnan, Ranjana Srivastava & Brahm Shanker Srivastava

256987

22-Aug-13

Novel spiro 1,2,4-trioxanes as antimalarial agents and a process forthe preparation thereof

Chandan Singh, Heetika Malik & Sunil Kumar Puri


           
 256382

08-Jun-13

A one Pot Process for the preparation of 11,12-Dehydro deoxy artemisinin

Chandan Singh & Pallvi Tiwari

255359

14-Feb-13

Novel hydroxy functionalized adamantyl substituted 6-arylvinyl-1,2,4-trioxanes, their derivatives and salts thereof

Chandan Singh, Sunil Kumar Puri & Upasana Sharma

254367

29-Oct-12

5-[2-(2,6,6-trimethyl-cyclohex-2-enyl)-ethenyl]-isoxaazole

Shivaji Narayanrao Suryavanshi, Suman Gupta, Ramesh & Naveen Chandra

253810

27-Aug-12

Novel glycosyl-D-fructoses as antihyperlipidemic agents

Anup Kumar Misra, Pallavi Tiwari, Anju Puri, Ramesh Chander & Geetika Bhatia

253738

22-Aug-12

A process for the preparation of novel 1-[(4-diphenylmetyl)-piperazin-1-yl]-3-aryloxypropan-2-ol

Kalpana Bhandari & Ram Raghubir

253045

20-Jun-12

Novel ester derivatives of dihydroartemisinin

Chandan Singh, Sandeep Chaudhary & Sunil Kumar Puri

252167

30-Apr-12

Oxy substituted flavones/chalcones as antihyperglycemic and antidyslipidemic agents

Ram Pratap, Mavurapu Satyanarayan, Chandishwar Nath, Ram Raghubir, Anju Puri, Ramesh Chander, Priti Tiwari, Brajendra Kumar Tripathi & Arvind Kumar Srivastava

247797

20-May-11

Oxy substituted flavones as antihyperglycemic and antidyslipidemic agents

Ram Pratap, Mavurapu Satyanarayan, Chandishwar Nath, Ram Raghubir, Anju Puri, Ramesh Chander, Priti Tiwari, Brajendra Kumar Tripathi & Arvind Kumar Srivastava


          
 245815

02-Feb-11

Novel spermicidal and antifungal agents

Anil Kumar Dwivedi, Vishnulal Sharma, Niharika Kumaria, Kiran Kumar, Gopal Gupta, Jagdamba Prasad Maikhuri Janak Dulari Dhar, Pradeep Kumar, Abdul Haq Ansari, Praveen Kumar Shukla, Manish Kumar, Raja Roy, Kunnath Padmanabhan Madhusudhanan, Ram Chandra Gup

244289

29-Nov-10

Mycobacterium tuberculosis specific DNA fragments,a set of oligonucleotide primers and a kit thereof useful for rapid diagnosis of Mycobacterium tuberculosis infection in clinical samples

Ranjana Srivastava, Deepak Kumar & Brahm Shanker Srivastava

243701

01-Nov-10

Synthesis of secondary amino alkoxy derivatives of substituted diaryl 5,6,7,8- tetrahydro napthyl methane

Neeta Srivastava, Man Mohan Singh & Suprabhat Ray

243559

26-Oct-10

A novel combinatorial library of 3 and 30-substituted Lup-20(29)-ene useful as anti-malarial agents

Misbah Alam Farooq Biabani, Thangathirupathi Srinivasan, Sunil Kumar Puri, Kanwal Raj & Bijoy Kundu

243415

15-Oct-10

2-alkyl/aryl sulphonyl-1,2,3,4-tetrahydro-9H-pyrido (3,4-b) indole-3-carboxylic acid esters /amides as antithrombotic agents

Stuti Gaur, Zeeshan Fatima, Anshuman Dixit, Zahid Ali, William Rascan Surin, Kapil Kapoor, Kanta Bhutani, Mohd. Salim Ansari, Madhu Dikshit & Anil Kumar Saxena

242317

23-Aug-10

Novel 6-(naphthyl vinyl)-1,2,4- trioxanes, useful as antimalarial agents

Chandan Singh, Rani Kanchan, Subhash Chandra & Sunil Kumar Puri

242166

17-Aug-10

Synthesis of secondary amino alkoxy derivatives of substituted diaryl 1,2,3,4- tetrahydro napthyl methane

Neeta Srivastava, Man Mohan Singh & Suprabhat Ray

242145

16-Aug-10

Novel 1-(4-aryl) heteroaryl piperazin/ piperidin -1-yl) -N- (quinaloxy- 6/7/8 -yl/4- (un) substituted pyrrolidin -2- oxo-l-yl) alkanes/ alkanones and their salts

 Suresh Kumar Pandey, Alpana Srivastava, Keshav Kishor Awasthi, Ravish Chandra Tripathi, Shekar Srivastava, Jharna Arun, Ram Mohan Saxena, Madhur Ray, Rakesh Shukla, Mangal Prasad Dubey & Anil Kumar Saxena

241999

05-Aug-10

Substituted carbamic acid quinolin-6-yl esters as acetylcholinesterase inhibitors

Neeraj Shakya, Zeeshan Fatima, Chandishwar Nath & Anil Kumar Saxena

240677

26-May-10

Novel amino functionalized 1,2,4-trioxanes useful as antimalarial agents and a process for the preparation thereof

Chandan Singh, Heetika Malik & Sunil Kumar

237915

12-Jan-10

Novel mercapto phenyl naphthyl methane derivatives  and preparation thereof

Sangita, Atul Kumar, Man Mohan Singh, Girish Kumar Jain, Puvvada Sri Ramchandra Murthy & Suprabhat Ray

237239

10-Dec-09

Heterologous expression of trypanothione reductase from Leishmania donovani in a prokaryotic system

Neena Goyal & Mukul K. Mittal

235205

29-Jun-09

A novel 1-arylalkyl -5-oxo- proline carboxamides

Dinesh Kumar Dikshit, Madhu Dikshit, Stuti Srivastava & Prashant Sharma

234487

01-Jun-09

α substituted naphthyloxy-W- substituted alkyl/aryl amino substituted alkane derivatives as agents for the treatment or prophylaxis of diabetes and related metabolic disorders

Devdutt Chaturvedi, Atul Kumar, Reema Rastogi, Arvind Srivastava, Preeti Tewari, Rehan Ahmad, Ramesh Chander, Anju Puri, Geetika Bhatia, Farhan Rizvi, Anil Kumar Rastogi & Suprabhat Ray

233470

30-Mar-09

(-)-3S, 4S-trans -2,2- dialkyl -3-substituted phenyl-4- (hydroxy substituted phenyl)- substituted chroman derivatives as useful intermediates for the synthesis of selective estrogen modulators

Atul Kumar, Sangita & Suprabhat Ray

232539

18-Mar-09

Novel substituted 1,2,4- trioxanes useful as anti malarial agents

Chandan Singh & Sunil Kumar Puri

231654

07-Mar-09

Novel 6-[(cycloalkylphenyl) vinyl ] -1,2,4-trioxanes useful as antimalarial agents

Chandan Singh, Pallvi Tiwari & Sunil Kumar Puri

229247

16-Feb-09

A composition for treating neurocerebrovascular disorders

Madhur Ray, Raghwendra Pal, Satyawan Singh & Nandoo Mal Khanna

227863

22-Jan-09

Novel substituted 1,2,4-trioxanes

Chandan Singh, Sunil Kumar Puri & Pallavi Tiwari

226206

11-Dec-08

An improved process for the synthesis of guggulsterones: a pharmacologically active constituent of gugulipid

Ram Pratap, Dharmendra Pratap Singh, Raghwendra Pal & Satyawan Singh

225322

07-Nov-08

(-)-3R, 4R-trans -2,2- dialkyl -3-substituted phenyl-4- (hydroxy substituted phenyl)- substituted chroman derivatives as useful intermediates for the synthesis of selective estrogen modulators

Atul Kumar, Sangita, Suprabhat Ray & Devi Prasad Sahu

223231

08-Sep-08

(3R,4R)- trans-3,4-diaryl chroman derivatives and a method for the  prevention and/or treatment of estrogen dependent diseases

Sangita, Atul Kumar, Man Mohan Singh, Suprabhat Ray & Girish Kumar Jain

218348

31-Mar-08

An improved process for the preparation of 1-(4-arylpiperazin-1-yl) -W- (N-substituted amino) alkanes

V.K. Sharma

217523

27-Mar-08

An improved process for racemization of [1S,2S-2-amino-1-(4- nitro phenyl)-1, 3- propanediol]

Devi Prasad Sahu

206346

25-May-07

A combination kit for treatment of malaria

Ram Pratap, Amiya Prasad Bhaduri, Harsh Pati Thapaliyal, Sunil Kumar Puri, Guru Prasad Dutta, Anil Kumar Dwivedi, Satyawan Singh, Pratima Srivastava, Vikas Chandra Pandey, Sudhir Srivastava, Shio Kumar Singh, Ram Chandra Gupta, Jagdishwar Sahai Srivastava

199556

06-Oct-06

A process for the preparation of novel combinational library of N1-glycosylated and N3 - substituted ureas and thioureas useful as antitubercular agents

Rama Pati Tripathi, Vinod Kumar Tiwari, Ram Chandra Misra, Ranjana Srivastava, Kishore Kumar Srivastava, Anil Kumar Srivastava, Vinita Chaturvedi, Sudhir Sinha & Brahm Shankar Srivastava

195824

21-Apr-06

Novel 6-[(substituted biphenyl) vinyl] -1,2,4-trioxanes, useful as antimalarial agents

Chandan Singh, Sunil Kumar Puri & Pallavi Tiwari

192963

20-Jan-06

A process for the preparation of novel 6-[(cycloalkylphenyl) vinyl ] -1,2,4-trioxanes useful as antimalarial agents

Chandan Singh, Pallvi Tiwari & Sunil Kumar Puri

194227

20-Jan-06

A process for the preparation of a novel device useful for the delivery of physiologically active substances or nutrients

Satyawan Singh, Madhu Khanna & Anil Kumar Dwivedi

192822

09-Sep-05

A process for the preparation of  1-arylalkyl -5-oxo- proline carboxamides useful as thrombin inhibitors

Dinesh Kumar Dikshit, Madhu Dikshit, Stuti Srivastava & Prashant Sharma

192054

16-Nov-04

An improved process for the preparation of α-(2-pyridyl -N- oxide)-4- quinolyl methane

Devi Prasad Sahu

191710

08-Sep-04

A process for the preparation of novel substituted 1,2,4- trioxanes and their esters

Chandan Singh & Sunil Kumar Puri

191696

26-Aug-04

A process for the preparation of a dihydro artemisinin formulation useful for the control of wide spectrum of malaria

Dharam Chand Jain, Rajendra Singh Bhakuni, Ram Prakash Sharma, Sushil Kumar & Guru Prakash Dutta

191588

30-Jun-04

A one-pot process for the preparation of artemether from artemisinin

Chandan Singh & Pallvi Tiwari

191589

30-Jun-04

An improved one-pot process for the preparation of ether derivative of dihydro artemisinin

Chandan Singh & Pallvi Tiwari

191499

30-Jun-04

An improved process for the synthesis of 1-oxo- 1,2,3,4,6,7,12,12a - octahydro pyrazino [2',1':6,1] pyrido [3,4-b] indole

Suresh Kumar Pandey, Keshav Kishor Awasthi, Ravish Chandra Tripathi, Kalpana Bhandari, Harshpati Thapliyal & Anil Kumar Saxena

191269

26-Apr-04

An improved process for the preparation of dihydro artemisinin

Chandan Singh & Pallvi Tiwari

189749

27-Jan-04

A process of preparation of formulation useful for treatment of malaria

Satyawan Singh, Anil Kumar Dwivedi & Guru Prakash Dutta

187991

13-Mar-03

A process for the preparation of an improved transdermal tape/patch for the administration of enkephaline peptides useful as analgesic

Anil Kumar Dwivedi, Madhu Khanna, Ram Raghubir & Satyawan Singh


For further enquiries,Please contact:
Dr. Madhu Dikshit, FNA, FASc, FNASc, JC Bose National Fellow
Director
CSIR-Central Drug Research Institute,
Sector 10, Jankipuram Extension, Sitapur Road, Lucknow- 226031
Tel: 091-522-2771940; Fax: 091-522-2771941
Email: director@cdri.res.in , madhu_dikshit@cdri.res.in