Patents Assigned to LABORATORIOS LESVI, S.A.
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Patent number: 10131630Abstract: The present invention relates to an efficient and environmentally friendly process for preparing (3RS)-3-[(2SR)-(2-cyclopentyl-2-hydroxy-2-phenylacetyl)oxy]-1,1-dimethylpyrrolidinium bromide with high yield and purity suitable for industrial scale applications.Type: GrantFiled: December 4, 2015Date of Patent: November 20, 2018Assignee: LABORATORIOS LESVI, S.L.Inventors: Pere Dalmases Barjoan, Joan Huguet Clotet, Ma Ángeles Conde Martínez, Javier Jesús Poza Soto
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Patent number: 9623010Abstract: This invention relates to a an orally disintegrating tablet obtainable by direct compression of a dry powdered mixture, said mixture comprising up to 15% by weight of calcium silicate, at least 50% of a diluent, a disintegrant agent and an active ingredient. It also relates to a process for preparing the tablets by homogeneous blending the specific excipients in powder form and subsequent direct compression of the mixture. Said tablets disintegrate quickly in the cavity of the mouth, in particular in less than 15 seconds.Type: GrantFiled: September 30, 2008Date of Patent: April 18, 2017Assignee: LABORATORIOS LESVI, S.L.Inventors: Carmen Úbeda Pérez, Ignacio Díez Martín, Pablo Pablo Alba
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Patent number: 9533994Abstract: A monoclinic crystalline form of asenapine maleate is described, which is characterized in that it is not micronised and has a particle size distribution characterized by a d90 of 40 ?m or less. A process for the preparation of a monoclinic crystalline form of asenapine maleate is also described, the process comprising the following steps: a) providing a mixture of monoclinic asenapine maleate and an organic solvent which, under the conditions of the process, acts as an antisolvent; b) stirring the mixture at a temperature between 15 and 60° C.; and c) collecting the crystals, wherein the organic solvent is selected from alcohols, ketones, ethers, esters, hydrocarbons or mixtures thereof.Type: GrantFiled: May 18, 2012Date of Patent: January 3, 2017Assignee: Laboratorios Lesvi S.L.Inventors: Lluis Solà Carandell, Jordi Cerón Bertran, Glòria Freixas Pascual, Pere Dalmases
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Patent number: 9309186Abstract: New polymorphic form of a long-acting beta-2 adrenoceptor agonist A new polymorphic form of arformoterol tartrate, designated as form D, is provided and which is characterized by at least one of the following: (i) a powder X-ray diffraction pattern having peaks at approximately 6.8, 13.3, 13.6, 3.8, 14.1, 18.2, 18.7, 20.0±0.2 degrees two theta; or (ii) a DSC thermogram showing an endothermic peak with an onset at approximately 19-120° C., and a maximum at approximately 129-131° C., followed by an exothermic peak with a maximum at approximately 137-138° C.; wherein the DSC thermogram of form D has a further endothermic peak with an onset at approximately 168-170° C.1 Processes for preparing the new polymorphic form, uses thereof and intermediates for the preparation thereof, are also provided.Type: GrantFiled: March 12, 2013Date of Patent: April 12, 2016Assignee: LABORATORIOS LESVI S.L.Inventors: Jordi Benet-Buchholz, Jordi Cerón Bertran, Glòria Freixas Pascual, Pere Dalmases Barjoan, Isabel Navarro Muñoz
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Publication number: 20150336973Abstract: A monoclinic crystalline form of asenapine maleate is described, which is characterized in that it is not micronised and has a particle size distribution characterized by a d90 of 40 ?m or less. A process for the preparation of a monoclinic crystalline form of asenapine maleate is also described, the process comprising the following steps: a) providing a mixture of monoclinic asenapine maleate and an organic solvent which, under the conditions of the process, acts as an antisolvent; b) stirring the mixture at a temperature between 15 and 60° C.; and c) collecting the crystals, wherein the organic solvent is selected from alcohols, ketones, ethers, esters, hydrocarbons or mixtures thereof.Type: ApplicationFiled: May 18, 2012Publication date: November 26, 2015Applicant: LABORATORIOS LESVI S.L.Inventors: Lluís Solà Carandell, Jordi Cerón Bertran, Glòria Freixas Pascual, Pere Dalmases
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Publication number: 20150087715Abstract: New polymorphic form of a long-acting beta-2 adrenoceptor agonist A new polymorphic form of arformoterol tartrate, designated as form D, is provided and which is characterised by at least one of the following: (i) a powder X-ray diffraction pattern having peaks at approximately 6.8, 13.3, 13.6, 3.8, 14.1, 18.2, 18.7, 20.0±0.2 degrees two theta; or (ii) a DSC thermogram showing an endothermic peak with an onset at approximately 19-120° C., and a maximum at approximately 129-131° C., followed by an exothermic peak with a maximum at approximately 137-138° C.; wherein the DSC thermogram of form D has a further endothermic peak with an onset at approximately 168-170° C.1 Processes for preparing the new polymorphic form, uses thereof and intermediates for the preparation thereof, are also provided.Type: ApplicationFiled: March 12, 2013Publication date: March 26, 2015Applicant: LABORATORIOS LESVI S.L.Inventors: Jordi Benet-Buchholz, Jordi Cerón Bertran, Glòria Freixas Pascual, Pere Dalmases Barjoan, Isabel Navarro Muñoz
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Patent number: 8962018Abstract: The invention relates to a solid formulation for the oral administration of olanzapine that comprises a core of anhydrous olanzapine Form I or a pharmaceutically acceptable salt thereof and, optionally, pharmaceutically acceptable excipients, said core being coated with a functional polymer that acts as filmogenic agent. The method for obtaining it comprises: i) providing anhydrous olanzapine Form I or a salt thereof and, optionally, pharmaceutically acceptable excipients in solid form; ii) providing a functional polymer that acts as filmogenic agent; iii) preparing a dispersion of said functional polymer in an aqueous medium,—and applying the dispersion obtained in step iii) onto the solid form of step i).Type: GrantFiled: December 19, 2006Date of Patent: February 24, 2015Assignee: Laboratorios Lesvi, S.L.Inventors: Ignacio Diez Martin, Carmen Ubeda Perez, Pablo Pablo Alba
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Patent number: 8927743Abstract: The present invention provides a process for obtaining dronedarone or salts thereof characterized in that in an organic phase comprising one or more non-polar solvents, 5-amino-3-[4-(3-di-n-butylaminopropoxy)benzoyl]-2-n-butyl-benzofuran is reacted with methane sulfonyl chloride without the addition of a base. The invention also provides a process for obtaining intermediates of dronedarone environmentally friendly and industrially viable.Type: GrantFiled: October 18, 2011Date of Patent: January 6, 2015Assignee: Laboratorios Lesvi, S.L.Inventors: Ravindranath Vishnu Newadkar, Avinash Changdeo Gaikwad, Ajay Madhukar Harad
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Patent number: 8884026Abstract: The present invention refers to an improved method for the preparation of compound 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxylic acid substantially free of its 3H-I isomer. The invention also refers to the use of said intermediate for the preparation of Rufinamide and for obtaining a new polymorphic form of Rufinamide, designed as Form R-5. The invention also refers to said new polymorph of Rufinamide, and to the composition containing it and its use as medicament. The new polymorph of Rufinamide shows good stability and appropriate physico-chemical properties for its manipulation on industrial scale. Polymorph Form R-5 will be suitable to use as pharmaceutical for the treatment of convulsions, especially for the treatment of epilepsy.Type: GrantFiled: May 2, 2011Date of Patent: November 11, 2014Assignee: Laboratorios Lesvi, S.L.Inventors: Antonio Abelino De Leon Martin, Jordi Bessa Bellmunt, Juan Huguet Clotet, Lluis Sola Carandell, Gloria Freixas Pascual, Jordi Ceron Bertran, Pere Dalmases Barjoan
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Publication number: 20140142158Abstract: A stable micronised monoclinic form of asenapine maleate is described, which comprises 5% by weight or less of orthorhombic form or any other crystalline form of asenapine maleate, wherein the asenapine maleate has a particle size distribution characterised by a d90 equal to or below 40 ?m. Processes for preparing the stable micronised monoclinic form of asenapine maleate are also described. Formula (I).Type: ApplicationFiled: May 18, 2012Publication date: May 22, 2014Applicant: LABORATORIOS LESVI S.L.Inventors: Agustì Bertran, Josep Terradas
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Publication number: 20130289287Abstract: The present invention provides a process for obtaining dronedarone or salts thereof characterized in that in an organic phase comprising one or more non-polar solvents, 5-amino-3-[4-(3-di-n-butylaminopropoxy)benzoyl]-2-n-butyl-benzofuran is reacted with methane sulfonyl chloride without the addition of a base. The invention also provides a process for obtaining intermediates of dronedarone environmentally friendly and industrially viable.Type: ApplicationFiled: October 18, 2011Publication date: October 31, 2013Applicant: LABORATORIOS LESVI, S.L.Inventors: Ravindranath Vishnu Newadkar, Avinash Changdeo Gaikwad, Ajay Madhukar Harad
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Publication number: 20130225835Abstract: The present invention is directed to novel compounds of formula (I) as well as to the process for their preparation. Novel compounds of formula (I) can be converted into asenapine through an efficient process. The invention also relates to novel intermediates used in this process and their use in the preparation of compounds of formula (I).Type: ApplicationFiled: July 29, 2011Publication date: August 29, 2013Applicant: LABORATORIOS LESVI, S.L.Inventors: Pere Dalmases Barjoan, Juan Huguet Clotet, Jordi Peirats Masia
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Patent number: 8455655Abstract: The invention relates to a method and compounds for the preparation of clevidipine butyrate, a very short acting hypertensive calcium antagonist, as well as the synthesis of these compounds useful for the preparation of clevidipine (also known as clevidipine butyrate). Moreover the invention also discloses polymorphic forms of clevidipine butyrate, useful for the preparation of pharmaceutical compositions, and processes to prepare them.Type: GrantFiled: May 6, 2011Date of Patent: June 4, 2013Assignee: Laboratorios Lesvi, S.L.Inventors: Ravindranath Vishnu Newadkar, Anil Purushottam Joshi, Santosh Kumar Singh
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Publication number: 20130045998Abstract: The present invention refers to an improved method for the preparation of compound 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxylic acid substantially free of its 3H-I isomer. The invention also refers to the use of said intermediate for the preparation of Rufinamide and for obtaining a new polymorphic form of Rufinamide, designed as Form R-5. The invention also refers to said new polymorph of Rufinamide, and to the composition containing it and its use as medicament. The new polymorph of Rufinamide shows good stability and appropriate physico-chemical properties for its manipulation on industrial scale. Polymorph Form R-5 will be suitable to use as pharmaceutical for the treatment of convulsions, especially for the treatment of epilepsy.Type: ApplicationFiled: May 2, 2011Publication date: February 21, 2013Applicant: LABORATORIOS LESVI, S.L.Inventors: Antonio Abelino De Leon Martin, Jordi Bessa Bellmunt, Juan Huguet Clotet, Lluis Sola Carandell, Gloria Freixas Pascual, Jordi Ceron Bertran, Pere Dalmases Barjoan
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Publication number: 20110275825Abstract: The invention relates to a method and compounds for the preparation of clevidipine butyrate, a very short acting hypertensive calcium antagonist, as well as the synthesis of these compounds useful for the preparation of clevidipine (also known as clevidipine butyrate). Moreover the invention also discloses polymorphic forms of clevidipine butyrate, useful for the preparation of pharmaceutical compositions, and processes to prepare them.Type: ApplicationFiled: May 6, 2011Publication date: November 10, 2011Applicant: LABORATORIOS LESVI, S.A.Inventors: RAVINDRANATH VISHNU NEWADKAR, Anil Purushottam Joshi, Santosh Kumar Singh
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Publication number: 20110223211Abstract: The present invention relates to pharmaceutical compositions and formulations for the oral administration of Irbesartan, one of its pharmaceutically acceptable salts or its polymorphs, optionally combined with a diuretic and to a process for the manufacture of said composition.Type: ApplicationFiled: May 23, 2011Publication date: September 15, 2011Applicant: LABORATORIOS LESVI, S.L.Inventors: Marino GONZÁLEZ PÉREZ, Carmen ÚBEDA PÉREZ, Ignacio DÍEZ MARTÍN
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Publication number: 20100297031Abstract: This invention relates to a an orally disintegrating tablet obtainable by direct compression of a dry powdered mixture, said mixture comprising up to 15% by weight of calcium silicate, at least 50% of a diluent, a disintegrant agent and an active ingredient. It also relates to a process for preparing the tablets by homogeneous blending the specific excipients in powder form and subsequent direct compression of the mixture. Said tablets disintegrate quickly in the cavity of the mouth, in particular in less than 15 seconds.Type: ApplicationFiled: September 30, 2008Publication date: November 25, 2010Applicant: LABORATORIOS LESVI, S.L.Inventors: Carmen Úbeda Pérez, Ignacio Díez Martín, Pablo Pablo Alba
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Publication number: 20090214646Abstract: The present invention relates to a composition comprising a pharmaceutically acceptable salt of Clopidogel and isomalt as a diluent, to the use of said composition in the elaboration of an oral pharmaceutical formulation, as well as to an oral pharmaceutical formulation comprising said composition.Type: ApplicationFiled: April 28, 2008Publication date: August 27, 2009Applicant: LABORATORIOS LESVI, S.L.Inventors: Ignacio Diez Martin, Carmen Ubeda Perez, Maria Aranzazu Arino Ros
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Publication number: 20090155369Abstract: The present invention refers to a solid pharmaceutical composition of entacapone, levodopa and carbidopa or pharmaceutically acceptable salts thereof characterized in that entacapone is in the form of granules and it is added separately to levodopa and carbidopa. In addition, this invention provides the process for its preparation.Type: ApplicationFiled: April 30, 2008Publication date: June 18, 2009Applicant: LABORATORIOS LESVI, S.L.Inventors: Marta Huguet Riba, Ignacio Diez Martin
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Publication number: 20090136571Abstract: The present invention relates to pharmaceutical compositions and formulations for the oral administration of Irbesartan, one of its pharmaceutically acceptable salts or its polymorphs, optionally combined with a diuretic and to a process for the manufacture of said composition.Type: ApplicationFiled: April 30, 2008Publication date: May 28, 2009Applicant: LABORATORIOS LESVI, S.L.Inventors: Marino Gonzalez Perez, Carmen Ubeda Perez, Ignacio Diez Martin