Inventor · disambiguated record
Gamini Weeratunga
Also filed as: WEERATUNGA GAMINI
33 granted patents·12 pending applications·171 citations·filing 1995–2020
96Inventor score
Top patents by PatentIndex Score
45 records- 0193US8309547B2Processes for the preparation of rivaroxaban and intermediates thereofBODHURI PRABHUDAS·Filed 2010·Granted Nov 13, 2012·22 cites·5 claims
- 0291US10800787B2Process for the preparation of acalabrutinibAPOTEX INC·Filed 2018·Granted Oct 13, 2020·9 cites·10 claims
- 0390US7049399B2Process for the preparation of polypeptide 1APOTEX PHARMACHEM INC·Filed 2002·Granted May 23, 2006·32 cites·45 claims
- 0489US7816355B1Processes for the preparation of rivaroxaban and intermediates thereofAPOTEX PHARMACHEM INC·Filed 2009·Granted Oct 19, 2010·13 cites·77 claims
- 0587US8101646B2Amorphous form of an L-arginine salt of perindopril and processes for preparation thereofWEERATUNGA GAMINI·Filed 2009·Granted Jan 24, 2012·12 cites·32 claims
- 0682US9376419B2Solid forms of nilotinib hydrochlorideAPOTEX INC·Filed 2013·Granted Jun 28, 2016·6 cites·18 claims
- 0781US9944616B2Processes for the preparation of Tasimelteon and intermediates thereofAPOTEX INC·Filed 2017·Granted Apr 17, 2018·2 cites·20 claims
- 0880US7485754B2Efficient method for preparing 3-aryloxy-3-arylpropylamines and their optical stereoisomersAPOTEX PHARMACHEM INC·Filed 2005·Granted Feb 3, 2009·3 cites·49 claims
- 0979US10513504B2Processes for the preparation of apalutamide and intermediates thereofAPOTEX INC·Filed 2019·Granted Dec 24, 2019·2 cites·19 claims
- 1078US6495691B1Process for the preparation of tetrahydrothieno[3,2-c]pyridine derivativesBRANTFORD CHEM INC·Filed 2001·Granted Dec 17, 2002·13 cites·28 claims
- 1173US6436956B1Useful form of anhydrous paroxetine hydrochlorideBRANTFORD CHEM INC·Filed 1997·Granted Aug 20, 2002·17 cites·6 claims
- 1272US9382233B2Forms of vilazodone and processes for the preparation thereofAPOTEX INC·Filed 2013·Granted Jul 5, 2016·1 cites·10 claims
- 1372US8435989B2Processes for the preparation of rivaroxaban and intermediates thereofAPOTEX PHARMACHEM INC·Filed 2012·Granted May 7, 2013·1 cites·20 claims
- 1472US8101609B2Processes for the preparation of rivaroxaban and intermediates thereofBODHURI PRABHUDAS·Filed 2010·Granted Jan 24, 2012·2 cites·22 claims
- 1571US9533949B2Processes for the preparation of 3-alkyl indolesAPOTEX PHARMACHEM INC·Filed 2013·Granted Jan 3, 2017·1 cites·16 claims
- 1659US6307066B1Process for producing simvastatinBRANTFORD CHEM INC·Filed 1996·Granted Oct 23, 2001·8 cites·45 claims
- 1758US10556887B2Processes for the preparation of Veliparib and intermediates thereofAPOTEX INC·Filed 2018·Granted Feb 11, 2020·0 cites·20 claims
- 1858US5637730ASodium enalapril complex and the use thereof to make sodium enalaprilBRANTFORD CHEM INC·Filed 1996·Granted Jun 10, 1997·6 cites·11 claims
- 1956US7375233B2Process for the preparation of zonisamide and the intermediates thereofAPOTEX PHARMACHEM INC·Filed 2005·Granted May 20, 2008·0 cites·21 claims
- 2056US5686627ASodium enalapril complex and the use thereof to make sodium enalaprilBRANTFORD CHEM INC·Filed 1996·Granted Nov 11, 1997·5 cites·1 claims
- 2156US2008033181A1Process for the preparation of Zonisamide and the intermediates thereofAPOTEX PHARMACHEM INC·Filed 2007·Application pending·0 cites
- 2255US2020172514A1Processes for the Preparation of Veliparib and Intermediates ThereofAPOTEX INC·Filed 2020·Application pending·0 cites
- 2352US8765976B2Polymorphic forms of Warfarin potassium and preparations thereofBODHURI PRABHUDAS·Filed 2011·Granted Jul 1, 2014·0 cites·7 claims
- 2450US2010168111A1Polymorphic form of 5 chloro n {[(5s) 2 oxo 3 [4 (3 oxomorpholin 4 yl)phenyl]oxa-zolidin 5 yl]-methyl}thiophene 2 carboxamideAPOTEX PHARMACHEM INC·Filed 2008·Application pending·0 cites
- 2550US2017305877A1Processes for the Preparation of Rotigotine and Intermediates ThereofAPOTEX INC·Filed 2015·Application pending·0 cites
- 2649US2019390235A1Processes for the Preparation of Dasotraline and Intermediates ThereofAPOTEX INC·Filed 2019·Application pending·0 cites
- 2749US2008009639A1Preparation of oseltamivir phosphate (Tamiflu) and intermediates starting from D-glucose or D-xyloseAPOTEX PHARMACHEM INC·Filed 2007·Application pending·0 cites
- 2848US10351537B2Processes for the preparation of lesinurad and intermediates thereofAPOTEX INC·Filed 2018·Granted Jul 16, 2019·0 cites·20 claims
- 2948US5919931AProcess for the manufacture of intermediates suitable to make doxazosin, terazosin, prazosin, tiodazosin and related antihypertensive medicinesBRANTFORD CHEM INC·Filed 1996·Granted Jul 6, 1999·5 cites·14 claims
- 3047US2011040120A1Preparation of oseltamivir phosphate (tamiflu®) and intermediates starting from d-glucose or d-xyloseAPOTEX PHARMACHEM INC·Filed 2010·Application pending·0 cites
- 3146US5872258ACommercial process for the manufacture of fluconazole and intermediates useful in the manufacture thereofBRANTFORD CHEM INC·Filed 1998·Granted Feb 16, 1999·2 cites·4 claims
- 3245US8952154B2Process for the preparation of lapatinib and its ditosylate saltRAHEEM MOHAMMED ABDUL·Filed 2011·Granted Feb 10, 2015·0 cites·19 claims
- 3345US5633386ACommercial process for the manufacture of fluconazole and intermediates useful in the manufacture thereofACIC CANADA INC·Filed 1995·Granted May 27, 1997·2 cites·7 claims
- 3444US8993579B2Polymorphic forms of Lapatinib ditosylate and processes for their preparationZETINA-ROCHA CARLOS·Filed 2011·Granted Mar 31, 2015·0 cites·24 claims
- 3544US2005176960A1Resolution of racemates of methyl alpha-5-[4,5,6,7-tetrahydro[3,2-C]thienopyridyl]-(2-chlorophenyl) acetateBRANTFORD CHEM INC·Filed 2004·Application pending·0 cites
- 3643US2019330150A1Processes for the Preparation of 3-(4-Halobutyl)-5-CyanoindoleAPOTEX INC·Filed 2019·Application pending·0 cites
- 3742US6107490AProcess for the manufacture of 4-methyl-5-hydroxymethyl-imidazoleBRANTFORD CHEM INC·Filed 1995·Granted Aug 22, 2000·2 cites·9 claims
- 3842US5508423AMethods for the manufacture of fluconazoleACIC CANADA INC·Filed 1995·Granted Apr 16, 1996·2 cites·4 claims
- 3941US5559229AMethod for the manufacture of benzothiazepineACIC CANADA INC·Filed 1995·Granted Sep 24, 1996·3 cites·5 claims
- 4040US2019194122A1Processes for the Preparation of Dasotraline and Intermediates ThereofAPOTEX INC·Filed 2018·Application pending·0 cites
- 4136US7060831B2Process for the preparation of tetrahydrothieno[3,2-c] pyridine derivativesAPOTEX PHARMACHEM INC·Filed 2004·Granted Jun 13, 2006·0 cites·13 claims
- 4234US2006264671A1Process for the preparation of midodrine, pharmaceutically acceptable salts thereof and intermediatesWEERATUNGA GAMINI·Filed 2004·Application pending·0 cites
- 4333US5750719ACommercial process for the manufacture of fluconazole and intermediates useful in the manufacture thereofBRANTFORD CHEM INC·Filed 1995·Granted May 12, 1998·0 cites·2 claims
- 4433US2012309990A1Processes for the Purification of LubiprostoneWEERATUNGA GAMINI·Filed 2010·Application pending·0 cites
- 4527US5750714AProcess for the manufacture of related intermediates including cistofurBRANTFORD CHEM INC·Filed 1995·Granted May 12, 1998·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →