Inventor · disambiguated record
Chris Hugh Senanayake
Also filed as: SENANAYAKE CHRIS · SENANAYAKE CHRIS H · SENANAYAKE CHRIS HUGH
84 granted patents·21 pending applications·1,339 citations·filing 1992–2023
99Inventor score
Files withSEPRACOR INC37BOEHRINGER INGELHEIM INT23MERCK & CO INC6APSINTERM LLC5BOEHRINGER INGELHEIM PHARMA5
Top patents by PatentIndex Score
105 records- 0198US7772191B2Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivatives and intermediates thereinBOEHRINGER INGELHEIM INT·Filed 2006·Granted Aug 10, 2010·65 cites·14 claims
- 0298US6627646B2Norastemizole polymorphsSEPRACOR INC·Filed 2001·Granted Sep 30, 2003·276 cites·13 claims
- 0397US6472563B1Formoterol tartrate process and polymorphSEPRACOR INC·Filed 2001·Granted Oct 29, 2002·78 cites·14 claims
- 0496US6268533B1Formoterol processSEPRACOR INC·Filed 2000·Granted Jul 31, 2001·170 cites·20 claims
- 0594US7514557B2Process for preparing acyclic HCV protease inhibitorsBOEHRINGER INGELHEIM INT·Filed 2005·Granted Apr 7, 2009·41 cites·12 claims
- 0694US7145036B2Formoterol tartrate polymorphSEPRACOR INC·Filed 2005·Granted Dec 5, 2006·20 cites·3 claims
- 0793US8552212B2Chiral phosphorus ligandsQU BO·Filed 2010·Granted Oct 8, 2013·13 cites·16 claims
- 0893US6720453B2Formoterol tartrate polymorphSEPRACOR INC·Filed 2002·Granted Apr 13, 2004·34 cites·15 claims
- 0992US7342132B2Formoterol tartrate process and polymorphSEPRACOR INC·Filed 2006·Granted Mar 11, 2008·13 cites·2 claims
- 1092US7253156B2Carbonate and carbamate modified forms of glucocorticoids in combination with B2 adrenergic agonistsSEPRACOR INC·Filed 2006·Granted Aug 7, 2007·17 cites·25 claims
- 1192US7179919B2Stereoselective synthesis of certain trifluoromethyl-substituted alcoholsBOEHRINGER INGELHEIM PHARMA·Filed 2005·Granted Feb 20, 2007·15 cites·19 claims
- 1292US6040344AFormoterol processSEPRACOR INC·Filed 1998·Granted Mar 21, 2000·103 cites·10 claims
- 1391US8946418B1Chiral nitrogen-phosphorus ligands and their use for asymmetric hydrogenation of alkenesHADDAD NIZAR·Filed 2014·Granted Feb 3, 2015·12 cites·19 claims
- 1491US7332614B2Process for cross coupling indolesBOEHRINGER INGELHEIM INT·Filed 2005·Granted Feb 19, 2008·16 cites·13 claims
- 1591US6822099B2Method of resolving amlodipine racemateSEPRACOR INC·Filed 2002·Granted Nov 23, 2004·32 cites·14 claims
- 1690US6610887B2Methods of preparing didesmethylsibutramine and other sibutramine derivativesSEPRACOR INC·Filed 2002·Granted Aug 26, 2003·24 cites·25 claims
- 1790US5936124AFluoxetine process from benzoylpropionic acidSEPRACOR INC·Filed 1998·Granted Aug 10, 1999·53 cites·16 claims
- 1888US9096626B2Monophosphorus ligands and their use in cross-coupling reactionsHADDAD NIZAR·Filed 2011·Granted Aug 4, 2015·8 cites·9 claims
- 1988US8017771B2Process for preparing acyclic HCV protease inhibitorsBOEHRINGER INGELHEIM INT·Filed 2009·Granted Sep 13, 2011·11 cites·1 claims
- 2087US7858804B2Process for making cytokine inhibiting compounds containing 4- and 5-imidazolyl rings and the intermediates thereofBOEHRINGER INGELHEIM INT·Filed 2007·Granted Dec 28, 2010·9 cites·1 claims
- 2186US8101765B2Process for preparing acyclic HCV protease inhibitorsBUSACCA CARL ALAN·Filed 2009·Granted Jan 24, 2012·11 cites·6 claims
- 2286US7256297B2Methods of preparing sulfinamides and sulfoxidesAPSINTERM LLC·Filed 2006·Granted Aug 14, 2007·5 cites·15 claims
- 2385US7732641B2Formoterol tartrate process and polymorphSEPRACOR INC·Filed 2008·Granted Jun 8, 2010·4 cites·1 claims
- 2484US7507843B2Stereoselective synthesis of certain trifluoromethyl-substituted alcoholsBOEHRINGER INGELHEIM PHARMA·Filed 2004·Granted Mar 24, 2009·15 cites·27 claims
- 2584US6780891B2Tramadol analogs and uses thereofSEPRACOR INC·Filed 2002·Granted Aug 24, 2004·20 cites·61 claims
- 2683US7642352B2Process for preparing 2,3-disubstituted indolesBOEHRINGER INGELHEIM INT·Filed 2006·Granted Jan 5, 2010·5 cites·6 claims
- 2783US5952502A2R,4S,R, S- and 2S,4R,R,S-hydroxyitraconazoleSEPRACOR INC·Filed 1997·Granted Sep 14, 1999·24 cites·18 claims
- 2882US10745411B2Piperidino-dihydrothienopyrimidine sulfoxides and their use for treating COPD and asthmaBOEHRINGER INGELHEIM INT·Filed 2019·Granted Aug 18, 2020·1 cites·2 claims
- 2981US9802954B2Piperidino-dihydrothienopyrimidine sulfoxides and their use for treating COPD and asthmaBOEHRINGER INGELHEIM INT·Filed 2013·Granted Oct 31, 2017·2 cites·21 claims
- 3081US7468362B2Carbonate and carbamate modified forms of glucocorticoids in combination with β2 adrenergic agonistsSEPRACOR INC·Filed 2007·Granted Dec 23, 2008·3 cites·13 claims
- 3181US7332610B2Method of preparing amine stereoisomersAPSINTERM LLC·Filed 2006·Granted Feb 19, 2008·4 cites·4 claims
- 3280US7964753B2Formoterol tartrate process and polymorphSUNOVION PHARMACEUTICALS INC·Filed 2010·Granted Jun 21, 2011·2 cites·3 claims
- 3378US7064214B2Methods of preparing sulfinamides and sulfoxidesAPSINTERM LLC·Filed 2002·Granted Jun 20, 2006·8 cites·28 claims
- 3478US6071971ADesformoterol compositions useful for inducing bronchodilationSEPRACOR INC·Filed 1999·Granted Jun 6, 2000·33 cites·10 claims
- 3577US7126009B2Palladium catalyzed indolization of 2-bromo or chloroanilinesBOEHRINGER INGELHEIM INT·Filed 2005·Granted Oct 24, 2006·2 cites·10 claims
- 3676US5925761ASynthesis of terfenadine and derivativesSEPRACOR INC·Filed 1997·Granted Jul 20, 1999·18 cites·12 claims
- 3775US7608614B2Process for preparing macrocyclic compoundsBOEHRINGER INGELHEIM INT·Filed 2006·Granted Oct 27, 2009·2 cites·26 claims
- 3874US7470795B2Synthesis of 6,7-dihydro-5H-imidazo[1,2-a]imidazole-3-sulfonic acid amidesBOEHRINGER INGELHEIM PHARMA·Filed 2005·Granted Dec 30, 2008·2 cites·4 claims
- 3974US7129378B2Method of preparing amine stereoisomersAPSINTERM LLC·Filed 2003·Granted Oct 31, 2006·6 cites·32 claims
- 4073US6303145B2(S,R) formoterol methods and compositionsSEPRACOR INC·Filed 1999·Granted Oct 16, 2001·36 cites·17 claims
- 4173US5424432AProcess for the preparation of imidazolutidineMERCK & CO INC·Filed 1994·Granted Jun 13, 1995·17 cites·8 claims
- 4272US5973182ACarbonate Intermediates useful in the preparation of optically active cyclohexylphenylglycolate estersSEPRACOR INC·Filed 1998·Granted Oct 26, 1999·11 cites·4 claims
- 4371US8653282B2Preparation of dihydrothieno [3,2-D] pyrimidines and intermediates used thereinFRUTOS ROGELIO·Filed 2008·Granted Feb 18, 2014·2 cites·11 claims
- 4471US5965622ADesformoterol and process for its preparationSEPRACOR INC·Filed 1998·Granted Oct 12, 1999·23 cites·31 claims
- 4569US6894189B2Methods of preparing didesmethylsibutramine and other sibutramine derivativesSEPRACOR INC·Filed 2003·Granted May 17, 2005·4 cites·12 claims
- 4668US7265222B2Process of making di-aryl urea compoundsBOEHRINGER INGELHEIM PHARMA·Filed 2004·Granted Sep 4, 2007·4 cites·8 claims
- 4767US8445470B2Carbonate and carbamate modified forms of glucocorticoids in combination with B2 adrenergic agonistsCURRIE MARK G·Filed 2008·Granted May 21, 2013·0 cites·17 claims
- 4867US2024254150A1Conformationally restricted sulfonate based phosphine ligands for hindered suzuki coupling reactionsTCG GREENCHEM INC·Filed 2023·Application pending·0 cites
- 4966US7018995B2Carbonate and carbamate modified forms of glucocorticoidsSEPRACOR INC·Filed 2003·Granted Mar 28, 2006·4 cites·23 claims
- 5066US6028224AFluoxetine process from benzoylpropionic acidSEPRACOR INC·Filed 1999·Granted Feb 22, 2000·9 cites·14 claims
Showing the top 50 of 105 patent records by PatentIndex Score.
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