Patents Assigned to Bial-Portela & CA, S.A.
  • Patent number: 8957222
    Abstract: A process for preparing the S or R enantiomer of a compound of formula A, the process comprising subjecting a compound of formula B to asymmetric hydrogenation in the presence of a chiral transition metal catalyst and a source of hydrogen, wherein X is CH2, oxygen, or sulphur; R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, alkyloxy, hydroxy, nitro, alkylcarbonylamino, alkylamino, or dialkylamino group; and R4 is alkyl or aryl, wherein the transition metal catalyst comprises a chiral ligand having the formula wherein p is from 1 to 6, and Ar means aryl group; wherein the term alkyl means hydrocarbon chains, straight or branched, containing from one to six carbon atoms, optionally substituted by aryl, alkoxy, halogen, alkoxycarbonyl or hydroxycarbonyl groups; the term aryl means an aromatic or heteroaromatic group, optionally substituted by alkyloxy, halogen, or nitro group; and the term halogen means fluorine, chlorine, bromine, or iodine.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: February 17, 2015
    Assignee: Bial-Portela & CA, S.A.
    Inventors: Alexander Beliaev, David Alexander Learmonth, Wenge Li
  • Patent number: 8907099
    Abstract: New compounds of formula I are described. The compounds have potentially valuable pharmaceutical properties in the treatment of some central and peripheral nervous system disorders.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: December 9, 2014
    Assignee: Bial-Portela & Ca, S.A.
    Inventors: David Alexander Learmonth, Laszlo Erno Kiss, Pedro Nuno Leal Palma, Humberto Dos Santos Ferreira, Patricio Manuel Vieira Araújo Soares da Silva
  • Publication number: 20140350057
    Abstract: There is disclosed a methylated intermediate which may be demethylated to provide an inhibitor of catechol-O-methyltransferase useful in the treatment of Parkinson's disease. Also disclosed are methods of making and using said intermediate.
    Type: Application
    Filed: December 12, 2012
    Publication date: November 27, 2014
    Applicant: BIAL - PORTELA & CA, S.A.
    Inventors: Domenico Russo, Laszlo Erno Kiss, Jorge Bruno Reis Wahnon, David Alexander Learmonth, Tibor Eszenyi, Axel Zimmermann, Bjoern Schlummer, Michael Kreis, Klaus Reiter
  • Publication number: 20140315821
    Abstract: The invention provides a drug selected from eslicarbazepine acetate and eslicarbazepine, for use in treating or preventing a disorder selected from epilepsy, affective disorders, schizoaffective disorders, bipolar disorders, neuropathic pain and neuropathic pain related disorders, attention disorders, anxiety disorders, sensorimotor disorders, vestibular disorders, and fibromyalgia, in a patient suffering from or susceptible to absence seizures.
    Type: Application
    Filed: August 24, 2012
    Publication date: October 23, 2014
    Applicant: BIAL - PORTELA & Ca, S.A.
    Inventor: Patricio Manuel Vieira Araujo Soares Da Silva
  • Patent number: 8865913
    Abstract: The present invention relates to crystalline Form A of 1-[(3R)-6,8-difluoro-3,4-dihydro-2H-1-benzopyran-3-yl]-1,3-dihydro-5-[2-[(phenylmethyl)amino]ethyl]-2H-imidazole-2-thione and crystalline Form B of 1-[(3R)-6,8-difluoro-3,4-dihydro-2H-1-benzopyran-3-yl]-1,3-dihydro-5-[2-[(phenylmethyl)amino]ethyl]-2H-imidazole-2-thione, processes for preparing the forms and their uses in medicine. The present invention also relates to the amorphous form of 1-[(3R)-6,8-difluoro-3,4-dihydro-2H-1-benzopyran-3-yl]-1,3-dihydro-5-[2-[(phenylmethyl)amino]ethyl]-2H-imidazole-2-thione processes for preparing it and its uses in medicine.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: October 21, 2014
    Assignee: Bial-Portela & CA, S.A.
    Inventors: Alexander Beliaev, David Alexander Learmonth, Brian Broadbelt, Ekaterina Albert, Patricia Andres
  • Publication number: 20140302152
    Abstract: The invention relates to a solid pharmaceutical composition, the composition comprising eslicarbazepine acetate and one or more pharmaceutically acceptable excipients, wherein the composition is in the form of granules, and wherein at least 90% of the granules of the composition have a particle size of 90 ?m or more, and/or wherein at least 50% of the granules of the composition have a particle size of 250 ?m or more. The invention also relates to a process for producing a granular composition. Further, the invention relates to the use of the composition in therapy and, in particular, in the treatment or prevention a disorder selected from epilepsy, neuropathic pain, migraine, fibromyalgia an affective disorders.
    Type: Application
    Filed: December 30, 2011
    Publication date: October 9, 2014
    Applicant: BIAL-PORTELA & CA., S.A.
    Inventor: Jose Pedro Pelxoto Rito Pontes
  • Publication number: 20140288058
    Abstract: The present disclosure relates to the treatment of various diseases and conditions with eslicarbazepine acetate. The present disclosure also relates to the use of eslicarbazepine acetate in a method for reducing or decreasing epileptic seizures in a patient. The present disclosure also relates to a method for increasing the exposure to eslicarbazepine in a patient. The present disclosure also relates to a method of preparing a pharmaceutical composition comprising eslicarbazepine acetate.
    Type: Application
    Filed: February 21, 2014
    Publication date: September 25, 2014
    Applicant: Bial-Portela & CA. S.A.
    Inventors: Jose' Luis de Almeida, Patricio Manuel Vieria Arauj Soares da Silva
  • Publication number: 20140221668
    Abstract: The present invention relates to a process for preparing (R)-5-(2-(benzylamino)ethyl)-1-(6,8-difluorochroman-3-yl)-1H-imidazole-2(3H)-thione, and pharmaceutically acceptable salts thereof, especially the hydrochloride salt. The invention also relates to a process for making intermediates useful in the formation of said compound, and to the intermediates, per se.
    Type: Application
    Filed: June 29, 2012
    Publication date: August 7, 2014
    Applicant: BIAL-PORTELA & CA, S.A.
    Inventors: Alexander Beliaev, Jorge Bruno Reis Wahnon, David Alexander Learmonth, Jonathan Madec, Jean-Marie Schneider, William Maton
  • Publication number: 20140045900
    Abstract: A compound of formula (I) where R1, R2, X, Y, n, m, R3, R4, R5, R6 and R7 are as defined herein, for use in the prophylaxis or treatment of a central and peripheral nervous system disorder, wherein the compound of formula (I) is administered prior to sleep, before bedtime or at bedtime.
    Type: Application
    Filed: October 12, 2011
    Publication date: February 13, 2014
    Applicant: Bial-Portela & CA, S.A.
    Inventors: Patricio Manuel Vieira Araujo Soares Da Silva, Teresa Lucia Silva Pereira Nunes, Lyndon Christopher Wright, Pedro Nuno Leal Palma, David Alexander Learmonth
  • Publication number: 20140024682
    Abstract: This invention relates to novel substituted nitrocatechol derivatives, their use in the treatment of some central and peripheral nervous system disorders and pharmaceutical compositions containing them.
    Type: Application
    Filed: August 30, 2013
    Publication date: January 23, 2014
    Applicant: BIAL - PORTELA & CA, S.A.
    Inventors: David Alexander Learmonth, Laszlo Erno Kiss, Pedro Nuno Leal Palma, Humberto dos Santos Ferreira, Patricio Manuel V. A. Soares da Silva
  • Publication number: 20130331416
    Abstract: The invention relates to the use of an oxodiazolyl compound (I) for the preparation of a medicament for the prevention or treatment of central and peripheral nervous system associated disorders, wherein said medicament is administered according to a dosing regimen having a dosing periodicity ranging from about twice a day to about once every other day.
    Type: Application
    Filed: July 25, 2013
    Publication date: December 12, 2013
    Applicant: BIAL - PORTELA & CA, S.A.
    Inventors: David Alexander Learmonth, Laszlo Erno Kiss, Pedro Nuno Leal Palma, Humberto dos Santos Ferreira, Patricio Manuel Vieira Araujo Soares da Silva
  • Publication number: 20130324578
    Abstract: A compound of formula (I) where R1, R2, X, Y, n, m, R3, R4, R5, R6 and R7 are as defined herein, for use in the prophylaxis or treatment of a central and peripheral nervous system disorder, wherein the compound of formula (I) is administered prior to sleep, before bedtime or at bedtime.
    Type: Application
    Filed: August 9, 2013
    Publication date: December 5, 2013
    Applicant: BIAL - PORTELA & CA, S.A.
    Inventors: Patricio Manuel Vieira Araujo SOARES DA SILVA, Teresa Lucia Silva Pereira NUNES, Lyndon Christopher WRIGHT, Pedro Nuno Leal PALMA, David Alexander LEARMONTH
  • Patent number: 8536203
    Abstract: This invention relates to novel substituted nitrocatechol derivatives, their use in the treatment of some central and peripheral nervous system disorders and pharmaceutical compositions containing them.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: September 17, 2013
    Assignee: Bial-Portela & CA, S.A.
    Inventors: David Alexander Learmonth, Laszlo Erno Kiss, Pedro Nuno Leal Palma, Humberto Dos Santos Ferreira, Patricio Manuel Vieira Araujo Soares da Silva
  • Patent number: 8524746
    Abstract: The invention relates to the use of an oxodiazolyl compound (I) for the preparation of a medicament for the prevention or treatment of central and peripheral nervous system associated disorders, wherein said medicament is administered according to a dosing regimen having a dosing periodicity ranging from about twice a day to about once every other day.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: September 3, 2013
    Assignee: Bial-Portela & Ca., S.A.
    Inventors: David Alexander Learmonth, Laszlo Erno Kiss, Pedro Nuno Leal Palma, Humberto dos Santos Ferreira, Patricio Manuel Vieira Araujo Soares da Silva
  • Publication number: 20130190276
    Abstract: This invention relates to the use of 5H-dibenz/b,f/azepine-5-carboxamide derivatives in the manufacture of various medicaments for treating neuropathic pain and for treating neurological disorders which involve both motor impairment and neuropathic pain.
    Type: Application
    Filed: March 8, 2013
    Publication date: July 25, 2013
    Applicant: BIAL - PORTELA & CA, S.A.
    Inventor: BIAL - PORTELA & CA, S.A.
  • Patent number: 8481582
    Abstract: Compounds of formula I and a method for their preparation are described: where R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, nitro, amino, alkylcarbonylamino, alkylamino or dialkylamino group; R4 signifies -alkyl-aryl or -alkyl-heteroaryl; X signifies CH2, oxygen atom or sulphur atom; n is 2 or 3; including the individual (R)- and (S)-enantiomers or mixtures of enantiomers thereof; and including pharmaceutically acceptable salts and esters thereof. The compounds have potentially valuable pharmaceutical properties for the treatment of cardiovascular disorders such as hypertension and chronic heart failure.
    Type: Grant
    Filed: May 6, 2008
    Date of Patent: July 9, 2013
    Assignee: Bial-Portela & CA, S.A.
    Inventors: Patrício Manuel Vieira Araújo Soares Da Silva, David Alexander Learmonth, Alexander Beliaev
  • Publication number: 20130123493
    Abstract: A process for preparing a substitute urea of Formula (II) or Formula (I), or a pharmaceutically acceptable salt or ester thereof, Formula (II): Formula (I): the process comprising the reaction of a carbamate of Formula (II?): or formula (I?): with a primary or secondary amine of the formula: R1R2NH, wherein ring A, and R1, R2, R5, V, W, X, Y and Z are as defined herein.
    Type: Application
    Filed: July 28, 2011
    Publication date: May 16, 2013
    Applicant: BIAL - PORTELA & CA, S.A.
    Inventors: David Alexander Learmonth, Brian Broadbelt, Jorge Bruno Reis Wahnon
  • Publication number: 20130040939
    Abstract: An oral suspension formulation comprising eslicarbazepine acetate and a pharmaceutically acceptable liquid vehicle.
    Type: Application
    Filed: September 10, 2010
    Publication date: February 14, 2013
    Applicant: BIAL - PORTELA & CA, S.A.
    Inventors: Teófilo Cardoso de Vasconcelos, Ricardo Jorge dos Santos Lima, Rui Cerdeira de Campos Costa, Pedro Miguel da Costa Barrocas, Ligia Sofia de Castro Pereira
  • Patent number: 8288532
    Abstract: A process for preparing (S)-(+)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide or (R)-(?)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide, by reduction of oxcarbazepine in the presence of a catalyst and a hydride source is disclosed. The catalyst is prepared from a combination of [RuX2(L)]2 wherein X is chlorine, bromine or iodine, and L is an aryl or aryl-aliphatic ligand, with a ligand of formula (A) or formula (B): wherein R1 is chosen from C1-6 alkoxy and C1-6 alkyl, n is a number from 0 to 5, and when n is a number from 2 to 5, R1 can be the same or different, and R2 is alkyl, substituted alkyl, aryl, substituted aryl, alkaryl or substituted alkaryl. The hydride source is either NR3R4R5 and formic acid, [R3R4R5NH][OOCH] and optionally formic acid, or [M][OOCH]x and formic acid, wherein R3, R4 and R5 are C1-6 alkyl, M is an alkali metal or alkaline earth metal and x is 1 or 2. A pH from 6.5 to 8 is maintained during the process.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: October 16, 2012
    Assignee: Bial-Portela & CA., S.A.
    Inventors: David Alexander Learmonth, Gabriela Alexandra Grasa, Antonio Zanotti-Gerosa
  • Publication number: 20120214797
    Abstract: The use of 5H-dibenz/b,f/azepine-5-carboxamide derivatives for treating fibromyalgia. Useful 5H-dibenz/b,f/azepine-5-carboxamide derivatives include compounds of the formula (I): where R1 is hydrogen, alkyl, halogenalkyl, aralkyl, cycloalkyl, cycloalkylalkyl, alkoxy, aryl, or pyridyl; the term alkyl means a straight or branched hydrocarbon chain containing from 1 to 18 carbon atoms; the term halogen means fluorine, chlorine, bromine or iodine; the term cycloalkyl means an alicyclic saturated group with 3 to 6 carbon atoms; and the term aryl means an unsubstituted phenyl group or phenyl substituted by alkoxy, halogen or nitro group.
    Type: Application
    Filed: July 27, 2009
    Publication date: August 23, 2012
    Applicant: BIAL - PORTELA & CA S.A.
    Inventor: Patricio Manuel Vieira Araújo Soares Da Silva