Patents by Inventor Ignacio Figueroa Pérez
Ignacio Figueroa Pérez has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9237764Abstract: The present invention relates to a method for preparation of the trisaccharide 6?-O-sialyllactose (formula (I)) or salts thereof as well as intermediates in the synthesis and for the use of 6?-O-sialyllactose salts in pharmaceutical or nutritional compositions.Type: GrantFiled: February 21, 2011Date of Patent: January 19, 2016Assignee: Glycom A/SInventors: Ignacio Figueroa Pérez, Ferenc Horváth, Gyula Dekany, Károly Ágoston, Ágnes Ágoston, István Bajza, Julien Boutet, Markus Hederos, Piroska Kovács-Pénzes, Lars Kröger, Christoph Röhrig, Andreas Schroven, Ioannis Vrasidas, Christian Risinger
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Patent number: 9102966Abstract: The invention relates to a method for the synthesis of compounds of general formula (1A) and salts thereof wherein one of the R groups is an ?-sialyl moiety and the other is H, X1 represents a carbohydrate linker, A is a D-glucopyranosyl unit optionally substituted with fucosyl, R1 is a protecting group that is removable by hydrogenolysis, the integer m is 0 or 1, by a transsialidation reaction.Type: GrantFiled: July 15, 2011Date of Patent: August 11, 2015Assignee: GLYCOM A/SInventors: Andreas Schroven, Elise Champion, Gyula Dekany, Christoph Röhrig, Ioannis Vrasidas, Ignacio Figueroa Pérez, Markus Hederos, Julien Boutet, Ágnes Ágoston, Piroska Kovács-Pénzes, Ferenc Horváth, Christian Risinger, Gergely Pipa, Sándor Demkó, Lars Kröger
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Publication number: 20140378679Abstract: ?-Lactosamine hydrochloride, substantially free of ?-lactosamine hydrochloride; a method of preparing ?-lactosamine hydrochloride monohydrate from an anomeric mixture of lactosamine hydrochloride, including: preparing a solution including the anomeric mixture of lactosamine hydrochloride, water and at least one water-miscible organic solvent at a temperature of 0-100° C., and cooling the solution to cause crystallisation of ?-lactosamine hydrochloride monohydrate; a method of preparing anhydrous ?-lactosamine hydrochloride; and use of ?-lactosamine hydrochloride as a food supplement or intermediate in synthesis.Type: ApplicationFiled: July 1, 2014Publication date: December 25, 2014Applicant: GLYCOM A/SInventors: Gyula DEKANY, Károly ÁGOSTON, István BAJZA, Marie BØJSTRUP, Ignacio FIGUEROA PÉREZ, Lars KRÖGER, Christoph H. RÖHRIG
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Patent number: 8889637Abstract: The present invention relates to novel polymorphs of the trisaccharide 2?-O-fucosyllactose (2-FL) of formula (1), methods for producing said polymorphs and their use in pharmaceutical or nutritional compositions.Type: GrantFiled: June 1, 2011Date of Patent: November 18, 2014Assignee: Glycom A/SInventors: Károly Ágoston, István Bajza, Gyula Dekany, Péter Trinka, Ágnes Ágoston, Gábor Kádár, Sándor Demkó, Ignacio Figueroa-Pérez, Markus Hederos, Ferenc Horváth, Andreas Schroven, Ioannis Vrasidas, Piroska Kovács-Pénzes, Christian Risinger, László Kalmár, Gergely Pipa, Julien Boutet, Lars Kröger, Christoph Röhrig
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Patent number: 8802841Abstract: A 1,2-dideoxy-1,2-diamino oligosaccharide or polysaccharide in its free base, salt or metal-complex form as shown in General Formula 1 and derivative thereof is described. R1, R2 and R3 are each independently selected from the group consisting of H and a carbohydrate moiety, with the proviso that at least one of the groups R1, R2 or R3 is a carbohydrate moiety; R4 is selected from the group consisting of: H, optionally substituted C1-20-alkyl, optionally substituted heteroalkyl, optionally substituted C2-20-alkenyl, optionally substituted C2-20-alkynyl, optionally substituted C3-10-cycloalkyl, optionally substituted heterocyclyl, optionally substituted aryl, and optionally substituted heteroaryl.Type: GrantFiled: November 3, 2008Date of Patent: August 12, 2014Assignee: Glycom A/SInventors: Gyula Dekany, István Bajza, Marie Bøjstrup, Károly Ágoston, Lars Kröger, Ignacio Figueroa Pérez, Christoph H. Röhrig, Paulo Vital, Erzsébet Czinege
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Publication number: 20130245250Abstract: Method for producing L-fucose includes in a first aspect, a method for the preparation of L-fucose, wherein L-fucose precursors are produced from pectin and L-fucose is produced from the L-fucose precursors; in a second aspect, a method for the preparation of L-fucose from D-galacturonic acid or a salt thereof, wherein L-fucose precursors are produced from D-galacturonic acid of a salt thereof, and L-fucose is produced from the L-fucose precursors; and an L-fucose precursor as shown in Formula A, wherein R is a linear or branched chain saturated hydrocarbon group with 1-6 carbon atoms, such as methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, s-butyl, t-butyl, n-hexyl, etc., preferably a methyl group.Type: ApplicationFiled: October 13, 2011Publication date: September 19, 2013Applicant: GLYCOM A/SInventors: Andreas Schroven, Gyula Dekany, Christoph Röhrig, Ioannis Vrasidas, Ignacio Figueroa Pérez, Markus Hederos, Julien Boutet, Lars Kröger, Piroska Kovács-Pénzes, Ferenc Horváth, Christian Risinger, Gergely Pipa
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Publication number: 20130171696Abstract: The invention relates to a method for the synthesis of compounds of general formula (1A) and salts thereof wherein one of the R groups is an ?-sialyl moiety and the other is H, X1 represents a carbohydrate linker, A is a D-glucopyranosyl unit optionally substituted with fucosyl, R1 is a protecting group that is removable by hydrogenolysis, the integer m is 0 or 1, by a transsialidation reaction.Type: ApplicationFiled: July 15, 2011Publication date: July 4, 2013Applicant: Glycom A/SInventors: Andreas Schroven, Elise Champion, Gyula Dekany, Christoph Röhrig, Ioannis Vrasidas, Ignacio Figueroa Pérez, Markus Hederos, Julien Boutet, Ágnes Ágoston, Piroska Kovács-Pénzes, Ferenc Horváth, Christian Risinger, Gergely Pipa, Sándor Demkó, Lars Kröger
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Publication number: 20130172548Abstract: A method for purifying, separating and/or isolating an oligosaccharide or a salt thereof is presented. An embodiment of the invention is based upon the formation of anomeric O-benzyl/substituted O-benzyl derivatives in a selective anomeric alkylation reaction.Type: ApplicationFiled: July 15, 2011Publication date: July 4, 2013Applicant: Glycom A/S, Kgs.Inventors: Gyula Dekany, Istvan Bajza, Károly Ágoston, Ignacio Figueroa Pérez, Markus Hedros, Andreas Schroven, Ioannis Vrasidas, Julien Boutet, Lars Kröger, Christoph Röhrig, Imre Kovacs, Péter Trinka, Ágnes Ágoston, Piroska Kovács-Pénzes, Ferenc Horváth, Christian Risinger, Gergely Pipa, Sándor Demkó, László Kalmár, Elise Champion
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Publication number: 20130165406Abstract: The present invention relates to novel polymorphs of the trisaccharide 2?-O-fucosyllactose (2-FL) of formula (1), methods for producing said polymorphs and their use in pharmaceutical or nutritional compositions.Type: ApplicationFiled: June 1, 2011Publication date: June 27, 2013Applicant: Glycom A/SInventors: Károly Ágoston, István Bajza, Gyula Dekany, Péter Trinka, Ágnes Ágoston, Gábor Kádár, Sándor Demkó, Ignacio Figueroa Pérez, Markus Hederos, Ferenc Horváth, Andreas Schroven, Ioannis Vrasidas, Piroska Kovács-Pénzes, Christian Risinger, László Kalmár, Gergely Pipa, Julien Boutet, Lars Kröger, Christoph Röhrig