Inventor · disambiguated record
David Alexander Learmonth
Also filed as: LEARMONTH DAVID · LEARMONTH DAVID ALEXANDER
42 granted patents·21 pending applications·232 citations·filing 1997–2024
97Inventor score
Files withBIAL PORTELA & CA SA18LEARMONTH DAVID ALEXANDER9BIAL - PORTELA & CA S A8PORTELA & CA SA8BELIAEV ALEXANDER4
Top patents by PatentIndex Score
63 records- 0192US8907099B2Nitrocatechol derivatives as COMT inhibitorsLEARMONTH DAVID ALEXANDER·Filed 2012·Granted Dec 9, 2014·16 cites·8 claims
- 0290US8168793B2Nitrocatechol derivatives as COMT inhibitorsLEARMONTH DAVID ALEXANDER·Filed 2006·Granted May 1, 2012·19 cites·16 claims
- 0389US9126988B2Intermediate for preparing a catechol-O-methyltransferase inhibitorBIAL PORTELA & CA SA·Filed 2012·Granted Sep 8, 2015·17 cites·30 claims
- 0487US8524746B2Dosage regimen for COMT inhibitorsLEARMONTH DAVID ALEXANDER·Filed 2007·Granted Sep 3, 2013·14 cites·17 claims
- 0586US8288532B2Asymmetric catalytic reduction of oxcarbazepineLEARMONTH DAVID ALEXANDER·Filed 2006·Granted Oct 16, 2012·8 cites·31 claims
- 0685US9550759B2Nitrocatechol derivatives as COMT inhibitorsBIAL—PORTELA & CA S A·Filed 2014·Granted Jan 24, 2017·5 cites·8 claims
- 0785US9446012B2Pharmaceutical compoundsBIAL-PORTELA & CA S A·Filed 2013·Granted Sep 20, 2016·7 cites·14 claims
- 0884US9643929B2Asymmetric catalytic reduction of oxcarbazepineBIAL—PORTELA & C A S A·Filed 2015·Granted May 9, 2017·4 cites·3 claims
- 0984US9630955B2Chemical compound useful as intermediate for preparing a catechol-O-methyltransferase inhibitorBIAL—PORTELA & Cª S A·Filed 2015·Granted Apr 25, 2017·7 cites·12 claims
- 1083US8975410B2Crystal forms of 5-[3-(2,5-dichloro-4, 6-dimethyl-1-oxy-pyridine-3-yl)[1,2,4] oxadiazol-5-yl]-3-nitrobenzene-1,2-diolLEARMONTH DAVID ALEXANDER·Filed 2009·Granted Mar 10, 2015·12 cites·5 claims
- 1183US7119197B2Method for preparation of (s)-(+)-and(r)-(-)10,11-dihydro-10-hydrodoxy-5h-dibenz/b,f/azephine-5-carboxamidePORTELA & CA SA·Filed 2002·Granted Oct 10, 2006·15 cites·20 claims
- 1282US8536203B2Pharmaceutical compoundsLEARMONTH DAVID ALEXANDER·Filed 2007·Granted Sep 17, 2013·12 cites·37 claims
- 1382US7259271B2Peripherally-selective inhibitors of dopamine-β-hydroxylase and method of their preparationPORTELA & CA SA·Filed 2006·Granted Aug 21, 2007·3 cites·12 claims
- 1481US9745290B2Dosage regimen for COMT inhibitorsBIAL—PORTELA & CA S A·Filed 2015·Granted Aug 29, 2017·3 cites·15 claims
- 1581US9206135B2Asymmetric catalytic reduction of oxcarbazepineBIAL—PORTELA & C A S A·Filed 2012·Granted Dec 8, 2015·4 cites·18 claims
- 1681US2025276963A1Administration regime for nitrocatecholsBIAL PORTELA & CA SA·Filed 2024·Application pending·0 cites
- 1780US10065944B2Administration regime for nitrocatecholsBIAL—PORTELA & CA S A·Filed 2013·Granted Sep 4, 2018·5 cites·6 claims
- 1880US8481582B21,3-dihydroimidazole-2-thione derivatives as inhibitors of dopamine-beta-hydroxylaseSOARES DA SILVA PATRICIO MANUEL VIEIRA ARAUJO·Filed 2008·Granted Jul 9, 2013·3 cites·9 claims
- 1978US7241886B2Method for preparation of 10,11-dihydro-10-hydroxy-5h-dibenz/b, f/azepine-5-carboxamide and 10,11-dihydro-10-oxo-5h-dibenz/b, f/azepine-5-carboxamidePORTELA & CA SA·Filed 2002·Granted Jul 10, 2007·8 cites·28 claims
- 2077US7125904B2Peripherally-selective inhibitors of dopamine-β-hydroxylase and method of their preparationPORTELA & CA SA·Filed 2003·Granted Oct 24, 2006·9 cites·19 claims
- 2177US2022388999A1Nitrocatechol derivatives as comt inhibitorsBIAL PORTELA & CA SA·Filed 2022·Application pending·0 cites
- 2276US10336740B2Nitrocatechol derivatives as COMT inhibitorsBIAL—PORTELA & CA S A·Filed 2017·Granted Jul 2, 2019·1 cites·16 claims
- 2375US7834177B2Method for preparation of 10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamideBIAL PORTELA & CA SA·Filed 2006·Granted Nov 16, 2010·4 cites·15 claims
- 2475US7189846B2Method for racemization of (S)-(+)- and (R)-(−)-10,11-dihydro-10-hydroxy-5h-dibenz[B,F]azepine-5-carboxamide and optically enriched mixtures thereofPORTELA & CA SA·Filed 2004·Granted Mar 13, 2007·7 cites·35 claims
- 2574US6512136B1Substituted 2-phenyl-1-(3,4-dihydroxy-5-nitrophenyl)-1-ethanones, their use in the treatment of some central and peripheral nervous system disorders and pharmaceutical compositions containing themPORTELA & CA SA·Filed 1999·Granted Jan 28, 2003·43 cites·12 claims
- 2674US2021261533A11,3-dihydroimidazole-2-thione derivatives as inhibitors of dopamine-beta-hydroxylaseBIAL PORTELA & CA SA·Filed 2021·Application pending·0 cites
- 2773US9630951B21,3-dihydroimidazole-2-thione derivatives as inhibitors of dopamine-beta-hydroxylaseBIAL-PORTELA & CA S A·Filed 2013·Granted Apr 25, 2017·1 cites·14 claims
- 2870US7999100B2Method for chiral inversion of (S)-(+)-and (R)-(−)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide and optically enriched mixtures thereofBIAL PORTELA CA & S A·Filed 2005·Granted Aug 16, 2011·2 cites·28 claims
- 2970US2020102295A1Nitrocatechol derivatives as comt inhibitorsBIAL PORTELA & CA SA·Filed 2019·Application pending·0 cites
- 3068US12129247B2Administration regime for nitrocatecholsBIAL PORTELA & CA SA·Filed 2018·Granted Oct 29, 2024·0 cites·17 claims
- 3165US9353082B2Pharmaceutical compoundsKISS LASZLO ERNO·Filed 2009·Granted May 31, 2016·2 cites·64 claims
- 3264US2019322648A11,3-dihydroimidazole-2-thione derivatives as inhibitors of dopamine-beta-hydroxylaseBIAL PORTELA & CA SA·Filed 2019·Application pending·0 cites
- 3363US7820813B2Method for preparation of (S)-(+)- and (R)-(−)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamidePORTELA & CA SA·Filed 2006·Granted Oct 26, 2010·0 cites·2 claims
- 3458US2017369478A11,3-dihydroimidazole-2-thione derivatives as inhibitors of dopamine-beta-hydroxylaseBIAL - PORTELA & CA S A·Filed 2017·Application pending·0 cites
- 3556US8158666B2Process for the preparation of (R)-5-(2-aminoethyl)-1-(6,8-difluorochroman-3-YL)-1,3-dihydroimidazole-2-thioneSOARES DA SILVA PATRICIO MANUEL VIEIRA ARAUJO·Filed 2008·Granted Apr 17, 2012·0 cites·16 claims
- 3656US7005553B2Method for the nitration of phenolic compoundsPORTELA C A S A·Filed 2002·Granted Feb 28, 2006·1 cites·22 claims
- 3755US9346751B2Process for preparing 1, 3-Dihydroimidazole-2-Thione DerivativesBELIAEV ALEXANDER·Filed 2012·Granted May 24, 2016·0 cites·20 claims
- 3855US2017190668A1Asymmetric catalytic reduction of oxcarbazepineBIAL - PORTELA & C A S A·Filed 2017·Application pending·0 cites
- 3954US8710239B2Process for preparing synthetic intermediates of peripherally-selective inhibitors of dopamine-β-hydroxylase involving catalytic asymmetric hydrogenationBELIAEV ALEXANDER·Filed 2009·Granted Apr 29, 2014·0 cites·21 claims
- 4054US2013331416A1Dosage regimen for comt inhibitorsBIAL PORTELA & CA SA·Filed 2013·Application pending·0 cites
- 4152US2010217009A1Process for Preparing Chroman DerivativesBIAL PORTELA & CA SA·Filed 2008·Application pending·0 cites
- 4251US2010113799A1Process for the Preparation of (R) - 5 - (2-Aminoethyl) -1- (6, 8-Difluorochroman-3-YL) -1,3-Dihydroimidazole-2-ThioneBIAL PORTELA & CA SA·Filed 2008·Application pending·0 cites
- 4350US8957222B2Process for preparing intermediates of peripherally-selective inhibitors of dopamine-β-hydroxylase involving catalytic asymmetric hydrogenationBELIAEV ALEXANDER·Filed 2009·Granted Feb 17, 2015·0 cites·32 claims
- 4450US2014045900A1Administration regime for nitrocatecholsSOARES DA SILVA PATRICIO MANUEL VIEIRA ARAUJO·Filed 2011·Application pending·0 cites
- 4550US2011166360A1Catalytic Process for Asymmetric HydrogenationBIAL PORTELA & CA SA·Filed 2009·Application pending·0 cites
- 4650US2010292482A1Novel precursorsBIAL PORTELA & CA SA·Filed 2008·Application pending·0 cites
- 4749US8546571B2Catalytic hydrogenation of ene-carbamatesLEARMONTH DAVID ALEXANDER·Filed 2007·Granted Oct 1, 2013·0 cites·52 claims
- 4849US2010113550A1New Crystal FormsBIAL PORTELA AND CA S A·Filed 2007·Application pending·0 cites
- 4948US8865913B2Crystalline forms and processes for their preparationBIAL PORTELA & CA SA·Filed 2013·Granted Oct 21, 2014·0 cites·14 claims
- 5048US2010093817A1CompoundsBIAL PORTELA & CA SA·Filed 2008·Application pending·0 cites
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →