Inventor · disambiguated record
Rajendra Narayanrao Kankan
Also filed as: KANKAN RAJENDRA N · KANKAN RAJENDRA NARAYANRAO
87 granted patents·18 pending applications·254 citations·filing 2000–2022
98Inventor score
Files withCIPLA LTD59RAO DHARMARAJ RAMACHANDRA19KANKAN RAJENDRA NARAYANRAO12PATHI SRINIVAS LAXMINARAYAN4PHULL MANJINDER SINGH4
Top patents by PatentIndex Score
105 records- 0193US7022698B2Pharmaceutical compositions containing new polymorphic forms of olanzapine and uses thereofU & I PHARMACEUTICALS LTD·Filed 2001·Granted Apr 4, 2006·69 cites·19 claims
- 0291US8633234B2RifaximinRAO DHARMARAJ RAMACHANDRA·Filed 2007·Granted Jan 21, 2014·11 cites·1 claims
- 0390US9227990B2Antiviral phosphonate analogues and process for preparation thereofCIPLA LTD·Filed 2013·Granted Jan 5, 2016·14 cites·16 claims
- 0490US7638627B2Process of preparing imatinib and imatinib prepared therebyCIPLA LTD·Filed 2004·Granted Dec 29, 2009·22 cites·32 claims
- 0589US6348458B1Polymorphic forms of olanzapineU & I PHARMACEUTICALS LTD·Filed 2000·Granted Feb 19, 2002·47 cites·42 claims
- 0686US10328153B2Rifaximin complexesCIPLA LTD·Filed 2018·Granted Jun 25, 2019·3 cites·20 claims
- 0784US8916193B2Rifaximin complexesGHAGARE MARUTI GANPATI·Filed 2009·Granted Dec 23, 2014·7 cites·18 claims
- 0884US6995286B2Process for preparing isomers of salbutamolCIPLA LTD·Filed 2001·Granted Feb 7, 2006·11 cites·8 claims
- 0983US12109200B2RifaximinCIPLA LTD·Filed 2022·Granted Oct 8, 2024·0 cites·4 claims
- 1083US12109270B2Rifaximin complexesCIPLA LTD·Filed 2022·Granted Oct 8, 2024·0 cites·12 claims
- 1182US9993561B2Rifaximin complexesCIPLA LTD·Filed 2014·Granted Jun 12, 2018·3 cites·22 claims
- 1282US9993560B2Rifaximin complexesCIPLA LTD·Filed 2014·Granted Jun 12, 2018·3 cites·26 claims
- 1382US8394963B2Process for the preparation of esomeprazole magnesium dihydrateRAO DHARMARAJ RAMACHANDRA·Filed 2008·Granted Mar 12, 2013·4 cites·8 claims
- 1481US8076492B2Process for preparing trityl olmesartan medoxomil and olmesartan medoxomilPATHI SRINIVAS LAXMINARAYAN·Filed 2007·Granted Dec 13, 2011·4 cites·28 claims
- 1579US8158780B2Processes for the preparation of ciclesonide and its crystal modificationPHULL MANJINDER SINGH·Filed 2007·Granted Apr 17, 2012·4 cites·17 claims
- 1679US7989636B2Process for the preparation of pure anastrozoleCIPLA LTD·Filed 2007·Granted Aug 2, 2011·2 cites·29 claims
- 1779US7285669B2Process for preparing 2,6-diamino-4,5,6,7-tetrahydro-benzothiazoleCIPLA LTD·Filed 2003·Granted Oct 23, 2007·8 cites·18 claims
- 1877US8133996B2Process for the preparation of ethyl-N-(2,3-dichloro-6-nitrobenzyl)glycine hydrochloridePATHI SRINIVAS LAXMINARAYAN·Filed 2008·Granted Mar 13, 2012·3 cites·12 claims
- 1977US7973173B2Process for the synthesis of an ACE inhibitorCIPLA LTD·Filed 2006·Granted Jul 5, 2011·3 cites·14 claims
- 2075US2020147225A1Rifaximin complexesCIPLA LTD·Filed 2019·Application pending·0 cites
- 2174US8912337B2Salts and polymorphs of dexrabeprazoleRAO DHARMARAJ RAMACHANDRA·Filed 2011·Granted Dec 16, 2014·1 cites·22 claims
- 2274US7666896B2Process for the preparation of perindoprilCIPLA LTD·Filed 2005·Granted Feb 23, 2010·1 cites·19 claims
- 2374US7470789B2Fexofenadine polymorphs and processes of preparing the sameCIPLA LTD·Filed 2004·Granted Dec 30, 2008·6 cites·16 claims
- 2473US8258294B2Process for the preparation of temozolomide and analogsPATHI SRINIVAS LAXMINARAYAN·Filed 2007·Granted Sep 4, 2012·1 cites·27 claims
- 2573US7112577B2Pharmaceutically acceptable alendronate salts in amorphous formCIPLA LTD·Filed 2002·Granted Sep 26, 2006·6 cites·14 claims
- 2672US8481730B2Method of synthesis of Bosentan, its polymorphic forms and its saltsRAO DHARMARAJ RAMACHANDRA·Filed 2009·Granted Jul 9, 2013·1 cites·35 claims
- 2772US8236959B2Process for preparing isomers of carmoterolKANKAN RAJENDRA NARAYANRAO·Filed 2008·Granted Aug 7, 2012·1 cites·17 claims
- 2872US7579505B2Crystalline levosalbutamol sulphate and polymorphic forms thereofCIPLA LTD·Filed 2005·Granted Aug 25, 2009·2 cites·12 claims
- 2971US7538249B2Tolterodine, compositions and uses thereof, and preparation of the sameCIPLA LTD·Filed 2004·Granted May 26, 2009·4 cites·24 claims
- 3070US9000158B2Process for preparing levosimendan and intermediates for use in the processRAO DHARMARAJ RAMACHANDRA·Filed 2010·Granted Apr 7, 2015·1 cites·12 claims
- 3170US8003804B2Synthesis of 4-[1-(4-cyano phenyl)-(1,2,4-triazol-1-yl)methyl] benzonitrile and 4-[1-(1H-1,2,4-triazol-1-yl)methylene benzonitrile intermediateCIPLA LTD·Filed 2007·Granted Aug 23, 2011·1 cites·3 claims
- 3270US7550593B2Process for the preparation of finasteride Form ICIPLA LTD·Filed 2004·Granted Jun 23, 2009·1 cites·8 claims
- 3369US7915451B2Crystalline levosalbutamol sulphate and polymorphic forms thereofCIPLA LTD·Filed 2009·Granted Mar 29, 2011·1 cites·16 claims
- 3468US7351840B2PerindoprilCIPLA LTD·Filed 2003·Granted Apr 1, 2008·3 cites·15 claims
- 3567US8269003B2Stable crystal form of imatinib mesylate and process for the preparation thereofPATHI SRINIVAS LAXMINARAYAN·Filed 2005·Granted Sep 18, 2012·1 cites·8 claims
- 3667US7799928B2Process for the preparation of irbesartan hydrochlorideCIPLA LTD·Filed 2005·Granted Sep 21, 2010·1 cites·40 claims
- 3766US8642758B2Process for preparation of erlotinib and its pharmaceutically acceptable saltsRAO DHARMARAJ RAMACHANDRA·Filed 2008·Granted Feb 4, 2014·0 cites·19 claims
- 3866US8445687B2Process for the preparation of a RAF kinase inhibitor and intermediates for use in the processRAO DHARMARAJ RAMACHANDRA·Filed 2008·Granted May 21, 2013·1 cites·16 claims
- 3965US9877953B2RifaximinCIPLA LTD·Filed 2016·Granted Jan 30, 2018·0 cites·11 claims
- 4064US7439367B2Pharmaceutical process and compounds prepared therebyCIPLA LTD·Filed 2004·Granted Oct 21, 2008·2 cites·12 claims
- 4164US2020368212A1RifaximinCIPLA LTD·Filed 2020·Application pending·0 cites
- 4264US2014128419A1RifaximinRAO DHARMARAJ RAMACHANDRA·Filed 2014·Application pending·0 cites
- 4362US8247434B2Fexofenadine polymorphs and processes of preparing the sameRAO DHARMARAJ RAMACHANDRA·Filed 2008·Granted Aug 21, 2012·0 cites·16 claims
- 4461US10702505B2RifaximinCIPLA LTD·Filed 2018·Granted Jul 7, 2020·0 cites·14 claims
- 4561US8288561B2Process for preparing valsartanKANKAN RAJENDRA NARAYANRAO·Filed 2008·Granted Oct 16, 2012·0 cites·11 claims
- 4660US9403844B2RifaximinRAO DHARMARAJ RAMACHANDRA·Filed 2015·Granted Aug 2, 2016·0 cites·11 claims
- 4760US8993789B2Process for preparing zanamivir and intermediates for use in the processPHULL MANJINDER SINGH·Filed 2009·Granted Mar 31, 2015·0 cites·17 claims
- 4860US8461334B2Process for resolving zopicloneRAO DHARMARAJ RAMACHANDRA·Filed 2009·Granted Jun 11, 2013·0 cites·10 claims
- 4960US2012116071A1RifaximinRAO DHARMARAJ RAMACHANDRA·Filed 2012·Application pending·0 cites
- 5060US2015080579A1Salts and Polymorphs of DexrabeprazoleCIPLA LTD·Filed 2014·Application pending·0 cites
Showing the top 50 of 105 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →