Patents by Inventor Zsolt Torok
Zsolt Torok 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: 10660789Abstract: The invention provides 1,4-dihydropyridine derivatives of formula (I) wherein R1 is optionally substituted C6-24aryl group or 5 to 6 membered heteroaryl group comprising 1 to 3 nitrogen atoms or other heteroatoms like oxygen and sulphur, and combinations thereof; R2 and R3 are independently hydrogen or C1-6alkyl group; R4 and R5 are independently hydrogen, C1-6alkyl group optionally substituted with amino, mono- or di(C1-6alkyl)amino, or with 5 to 24 membered optionally fused heterocyclic ring attached by nitrogen and optionally comprising additional 1 to 3 N, O, S heteroatoms and optionally substituted with C1-6alkyl group or C1-6 alkoxy group; R6 is C1-6alkyl, C3-7cycloalkyl, C3-7cycloalkylC1-6alkyl or arylC1-6alkyl group; and stereoisomers including enantiomers, diastereomers, racemic mixtures, mixture of enantiomers and combination thereof, as well as polymorphs, pharmaceutically acceptable salts, solvates, esters and prodrugs thereof for use in the therapeutic or prophylactic treatment of a disorder mediType: GrantFiled: February 28, 2019Date of Patent: May 26, 2020Assignee: RICHTER GEDEON NYRT.Inventors: Ferenc Fülöp, László Vígh, Zsolt Török, Botond Penke, Ibolya Horváth, Gábor Balogh, Sándor Bernáth, Ákos Hunya
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Publication number: 20190192336Abstract: The invention provides 1,4-dihydropyridine derivatives of formula (I) wherein R1 is optionally substituted C6-24aryl group or 5 to 6 membered heteroaryl group comprising 1 to 3 nitrogen atoms or other heteroatoms like oxygen and sulphur, and combinations thereof; R2 and R3 are independently hydrogen or C1-6alkyl group; R4 and R5 are independently hydrogen, C1-6alkyl group optionally substituted with amino, mono- or di(C1-6alkyl)amino, or with 5 to 24 membered optionally fused heterocyclic ring attached by nitrogen and optionally comprising additional 1 to 3 N, O, S heteroatoms and optionally substituted with C1-6alkyl group or C1-6 alkoxy group; R6 is C1-6alkyl, C3-7cycloalkyl, C3-7cycloalkylC1-6alkyl or arylC1-6alkyl group; and stereoisomers including enantiomers, diastereomers, racemic mixtures, mixture of enantiomers and combination thereof, as well as polymorphs, pharmaceutically acceptable salts, solvates, esters and prodrugs thereof for use in the therapeutic or prophylactic treatment of a disorder mediType: ApplicationFiled: February 28, 2019Publication date: June 27, 2019Inventors: Ferenc FÜLÖP, László VÍGH, Zsolt TÖRÖK, Botond PENKE, Ibolya HORVÁTH, Gábor BALOGH, Sándor BERNÁTH, Ákos HUNYA
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Patent number: 10258498Abstract: The invention provides 1,4-dihydropyridine derivatives of formula (I) wherein R1 is optionally substituted C6-24aryl group or 5 to 6 membered heteroaryl group comprising 1 to 3 nitrogen atoms or other heteroatoms like oxygen and sulphur, and combinations thereof; R2 and R3 are independently hydrogen or C1-6alkyl group; R4 and R5 are independently hydrogen, C1-6alkyl group optionally substituted with amino, mono- or di(C1-6alkyl)amino, or with 5 to 24 membered optionally fused heterocyclic ring attached by nitrogen and optionally comprising additional 1 to 3 N, O, S heteroatoms and optionally substituted with C1-6alkyl group or C1-6 alkoxy group; R6 is C1-6alkyl, C3-7cycloalkyl, C3-7cycloalkylC1-6alkyl or arylC1-6alkyl group; and stereoisomers including enantiomers, diastereomers, racemic mixtures, mixture of enantiomers and combination thereof, as well as polymorphs, pharmaceutically acceptable salts, solvates, esters and prodrugs thereof for use in the therapeutic or prophylactic treatment of a disorder mediType: GrantFiled: November 22, 2012Date of Patent: April 16, 2019Assignee: Richter Gedeon NYRT.Inventors: Ferenc Fülöp, László Vigh, Zsolt Török, Botond Penke, Ibolya Horváth, Gábor Balogh, Sándor Bernáth, Ákos Hunya
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Publication number: 20140315893Abstract: The invention provides 1,4-dihydropyridine derivatives of formula (I) wherein R1 is optionally substituted C6-24aryl group or 5 to 6 membered heteroaryl group comprising 1 to 3 nitrogen atoms or other heteroatoms like oxygen and sulphur, and combinations thereof; R2 and R3 are independently hydrogen or C1-6alkyl group; R4 and R5 are independently hydrogen, C1-6alkyl group optionally substituted with amino, mono- or di(C1-6alkyl)amino, or with 5 to 24 membered optionally fused heterocyclic ring attached by nitrogen and optionally comprising additional 1 to 3 N, O, S heteroatoms and optionally substituted with C1-6alkyl group or C1-6 alkoxy group; R6 is C1-6alkyl, C3-7cycloalkyl, C3-7cycloalkylC1-6alkyl or arylC1-6alkyl group; and stereoisomers including enantiomers, diastereomers, racemic mixtures, mixture of enantiomers and combination thereof, as well as polymorphs, pharmaceutically acceptable salts, solvates, esters and prodrugs thereof for use in the therapeutic or prophylactic treatment of a disorder mediType: ApplicationFiled: November 22, 2012Publication date: October 23, 2014Inventors: Ferenc Fülöp, László Vígh, Zsolt Török, Botond Penke, Ibolya Horváth, Gábor Balogh, Sándor Bernáth, Ákos Hunya
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Publication number: 20100267711Abstract: A method of increasing expression of a molecular chaperon by a cell and/or enhancing the activity of a molecular chaperon in cells is provided. The method comprises treating a cell that is exposed to a physiological stress which induces expression of a molecular chaperon by the cell with an effective amount of a certain hydroxylamine derivative to increase the stress. Alternatively, an hydroxylamine derivative can be administrated to a cell before it is exposed to a physiological stress which induces expression of a molecular chaperon by the cell. Preferably, the cell to which an hydroxylamine derivative is administered is an eukaryotic cell. The hydroxylamine derivative corresponds to the formulae (I) or (II). The invention also provides novel hydroxylamine derivatives falling within the scope of the formulae (I) and (II) as well as pharmaceutical and/or cosmetical compositions comprising the said compounds.Type: ApplicationFiled: June 25, 2010Publication date: October 21, 2010Applicant: CytRx CorporationInventors: László Vígh, Péter Literáti Nagy, Jenó Szilbereky, László Ürögdi, Andrea Jednákovits, László Jaszlits, Katalin Bíró, Ede Màrvànyos, Mihály Barabás, Erzsébet Hegedüs, László Korányi, Mária Kürthy, Gábor Balogh, Ibolya Horváth, Zsolt Török, Éva Udvardy, György Dormán, Dénes Medzihradszky, Bea Mézes, Eszter Kovács, Ernó Duda, Beatrix Farkas, Attila Glatz
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Patent number: 7745465Abstract: A method of increasing expression of a molecular chaperon by a cell and/or enhancing the activity of a molecular chaperon in cells is provided. The method comprises treating a cell that is exposed to a physiological stress which induces expression of a molecular chaperon by the cell with an effective amount of a certain hydroxylamine derivative to increase the stress. Alternatively, an hydroxylamine derivative can be administrated to a cell before it is exposed to a physiological stress which induces expression of a molecular chaperon by the cell. Preferably, the cell to which an hydroxylamine derivative is administered is an eukaryotic cell. The hydroxylamine derivative corresponds to the formulae (I) or (II). The invention also provides novel hydroxylamine derivatives falling within the scope of the formulae (I) and (II) as well as pharmaceutical and/or cosmetical compositions comprising the said compounds.Type: GrantFiled: July 10, 2003Date of Patent: June 29, 2010Assignee: CytRx CorporationInventors: László Vígh, Péter Literáti Nagy, Jenö Szilbereky, László Ürögdi, Andrea Jednákovits, László Jaszlits, Katalin Bíró, Ede Márványos, Mihály Barabás, Erzsébet Hegedüs, László Korányi, Mária Kürthy, Gábor Balogh, Ibolya Horváth, Zsolt Török, Éva Udvardy, György Dormán, Dénes Medzihradszky, Bea Mézes, Eszter Kovács, Ernö Duda, Beatrix Farkas, Attila Glatz
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Publication number: 20070105220Abstract: A dehydrated composition is provided that includes freeze-dried erythrocytic cells. The invention further provides methods for loading a solute into a cell comprising disposing a cell in a solution having a solute concentration of sufficient magnitude to produce hyperosmotic pressure on the cell for transferring a solute from the solution into cell.Type: ApplicationFiled: August 6, 2004Publication date: May 10, 2007Applicant: The Regents of the University of CaliforniaInventors: John Crowe, Fern Tablin, Nelly Tsvetkova, Zsolt Torok, Gyana Satpathy, Denis Dwyre, Rachna Bali, Mitali Banerjee, Azadeh Kheirolomoom
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Patent number: 7148239Abstract: A method of increasing expression of a molecular chaperon by a cell and/or enhancing the activity of a molecular chaperon in cells is provided. The method comprises treating a cell that is exposed to a physiological stress which induces expression of a molecular chaperon by the cell with an effective amount of a certain hydroxylamine derivative to increase the stress. Alternatively, an hydroxylamine derivative can be administrated to a cell before it is exposed to a physiological stress which induces expression of a molecular chaperon by the cell. Preferably, the cell to which an hydroxylamine derivative is administered is an eukaryotic cell. The hydroxylamine derivative corresponds to the formulae (I) or (II). The invention also provides novel hydroxylamine derivatives falling within the scope of the formulae (I) and (II) as well as pharmaceutical and/or cosmetical compositions comprising the said compounds.Type: GrantFiled: July 10, 2003Date of Patent: December 12, 2006Assignee: CytRx CorporationInventors: László Vígh, Péter Literáti Nagy, Jenó Szilbereky, László Ürögdi, Andrea Jednákovits, László Jaszlits, Katalin Bíró, Ede Márványos, Mihály Barabás, Erzsébet Hegedüs, László Korányi, Mária Kürthy, Gábor Balogh, Ibolya Horváth, Zsolt Török, Éva Udvardy, György Dormán, Dénes Medzihradszky, Bea Mézes, Eszter Kovács, Ernó Duda, Beatrix Farkas, Attila Glatz
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Publication number: 20050051474Abstract: A dehydrated composition is provided that includes freeze-dried erythrocytic cells. A method for loading a solute into a cell comprising disposing a cell in a solution having a solute concentration of sufficient magnitude to produce hyperosmotic pressure on the cell for transferring a solute from the solution into the cell. A method for retaining a solute in a cell.Type: ApplicationFiled: August 6, 2003Publication date: March 10, 2005Inventors: John Crowe, Fern Tablin, Nelly Tsvetkova, Zsolt Torok, Gyana Satpathy, Denis Dwyre
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Publication number: 20050031596Abstract: A dehydrated composition is provided that includes freeze-dried cells. A method for loading a solute into a cell comprising disposing a cell in a solution having at temperature of at least 25° C. and a solute concentration of sufficient magnitude to produce hyperosmotic pressure on the cell for transferring a solute from the solution into the cell. A method for reconstituting dried cells by drying loaded cells in a drying solution and reconstituting dried cells in a rehydration solution. A method for stabilizing cells by producing cells having an effective amount of a solute and a mean corpuscular hemoglobin greater than about 10.Type: ApplicationFiled: August 6, 2003Publication date: February 10, 2005Inventors: John Crowe, Fern Tablin, Nelly Tsvetkova, Zsolt Torok, Rachna Bali, Gyana Satpathy, Denis Dwyre
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Publication number: 20050031597Abstract: A method for maintaining a viability level of a metabolite in a biological sample comprising disposing a biological sample into a solute solution comprising a solute and a chemical selected from the group consisting of a monosaccharide, a monosaccharide polyol, a cell metabolite-controlling agent, a salt, and mixtures thereof; and incubating the biological sample in the solute solution while maintaining a viability level of a metabolite in the biological sample.Type: ApplicationFiled: November 28, 2003Publication date: February 10, 2005Inventors: John Crowe, Fern Tablin, Nelly Tsvetkova, Zsolt Torok, Gyana Satpathy, Rachna Bali, Denis Dwyre
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Publication number: 20050032031Abstract: A method for reducing hemolysis in cells including washing cells in a solute solution having the capabilities of reducing cell hemolysis by at least about 0.50% for each 100 mOsm increase in osmolarity of the solute solution. A cell produced by the method for reducing hemolysis. The method permits removal of osmotically fragile cells from the population.Type: ApplicationFiled: August 6, 2003Publication date: February 10, 2005Inventors: John Crowe, Fern Tablin, Nelly Tsvetkova, Zsolt Torok, Gyana Satpathy, Denis Dwyre, Rachna Bali
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Publication number: 20040191903Abstract: A method for loading a preservative into a biological sample comprising providing a preservative solution having a preservative, water and protein, and loading a biological sample with the preservative solution to produce a preservative-loaded biological sample having the preservative solution generally including higher glass transition temperatures than glass transition temperatures for a preservative solution having the preservative, water and no protein. A process for processing biological samples comprising suspending biological samples in a preservative solution at a concentration greater than about 108 platelets per ml. of preservative solution to produce preservative-loaded biological samples, freeze-drying the preservative-loaded biological samples, and recovering at least 75% of the freeze-dried biological samples.Type: ApplicationFiled: November 28, 2003Publication date: September 30, 2004Inventors: John H. Crowe, Fern Tablin, Willem Wolkers, Naomi Walker, Sheri Looper, Nelly M. Tsvetkova, Zsolt Torok
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Publication number: 20040152964Abstract: A process for preparing a dehydrated biological sample comprising providing a biological sample selected from a mammalian species, loading with a solute the biological sample having an alcohol by fluid phase endocytosis to produce an internally loaded biological sample, and drying the loaded biological sample to produce a dehydrated biological sample.Type: ApplicationFiled: November 28, 2003Publication date: August 5, 2004Inventors: John H. Crowe, Fern Tablin, Willem Wolkers, Naomi Walker, Sheri Looper, Nelly M. Tsvetkova, Zsolt Torok
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Publication number: 20040067940Abstract: A method of increasing expression of a molecular chaperon by a cell and/or enhancing the activity of a molecular chaperon in cells is provided. The method comprises treating a cell that is exposed to a physiological stress which induces expression of a molecular chaperon by the cell with an effective amount of a certain hydroxylamine derivative to increase the stress. Alternatively, an hydroxylamine derivative can be administrated to a cell before it is exposed to a physiological stress which induces expression of a molecular chaperon by the cell. Preferably, the cell to which an hydroxylamine derivative is administered is an eukaryotic cell. The hydroxylamine derivative corresponds to the formulae (I) or (II). The invention also provides novel hydroxylamine derivatives falling within the scope of the formulae (I) and (II) as well as pharmaceutical and/or cosmetical compositions comprising the said compounds.Type: ApplicationFiled: July 10, 2003Publication date: April 8, 2004Applicant: Biorex Research & Development Co.Inventors: Laszlo Vigh, Peter Literati Nagy, Jeno Szilbereky, Laszlo Urogdi, Andrea Jednakovits, Laszlo Jaszlits, Katalin Biro, Ede Marvanyos, Mihaly Barabas, Erzsebet Hegedus, Laszlo Koranyi, Maria Kurthy, Gabor Balogh, Ibolya Horvath, Zsolt Torok, Eva Udvardy, Gyorgy Dorman, Denes Medzihradszky, Bea Mezes, Eszter Kovacs, Erno Duda, Beatrix Farkas, Attila Glatz
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Publication number: 20040019103Abstract: A method of increasing expression of a molecular chaperon by a cell and/or enhancing the activity of a molecular chaperon in cells is provided. The method comprises treating a cell that is exposed to a physiological stress which induces expression of a molecular chaperon by the cell with an effective amount of a certain hydroxylamine derivative to increase the stress. Alternatively, an hydroxylamine derivative can be administrated to a cell before it is exposed to a physiological stress which induces expression of a molecular chaperon by the cell. Preferably, the cell to which an hydroxylamine derivative is administered is an eukaryotic cell. The hydroxylamine derivative corresponds to the formulae (I) or (II).Type: ApplicationFiled: July 10, 2003Publication date: January 29, 2004Applicant: Biorex Research & Development Co.Inventors: Laszlo Vigh, Peter Literati Nagy, Jeno Szilbereky, Laszlo Urogdi, Andrea Jednakovits, Laszlo Jaszlits, Katalin Biro, Ede Marvanyos, Mihaly Barabas, Erzsebet Hegedus, Laszlo Koranyi, Maria Kurthy, Gabor Balogh, Ibolya Horvath, Zsolt Torok, Eva Udvardy, Gyorgy Dorman, Denes Medzihradszky, Bea Mezes, Eszter Kovacs, Erno Duda, Beatrix Farkas, Attila Glatz
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Patent number: 6653326Abstract: A method of increasing expression of a molecular chaperon by a cell and/or enhancing the activity of a molecular chaperon in cells is provided. The method comprises treating a cell that is exposed to a physiological stress which induces expression of a molecular chaperon by the cell with an effective amount of a certain hydroxylamine derivative to increase the stress. Alternatively; an hydroxylamine derivative can be administrated to a cell before it is exposed to a physiological stress which induces expression of a molecular chaperon by the cell. Preferably, the cell to which an hydroxylamine derivative is administered is an eukaryotic cell. The hydroxylamine derivative corresponds to the formulae (I) or (II). The invention also provides novel hydroxyl amine derivatives falling within the scope of the formulae (I) and (II) as well as pharmaceutical and/or cosmetical compositions comprising the said compounds.Type: GrantFiled: December 7, 1999Date of Patent: November 25, 2003Assignee: Biorex Research & Development Co.Inventors: László Vígh, Péter Literáti Nagy, Jenó Szilbereky, László Ürögdi, Andrea Jednákovits, László Jaszlits, Katalin Bíró, Ede Màrvànyos, Mihály Barabás, Erzsébet Hegedüs, László Korányi, Mária Kürthy, Gábor Balogh, Ibolya Horváth, Zsolt Török, Éva Udvardy, György Dormán, Dénes Medzihradszky, Bea Mézes, Eszter Kovács, Ernö Duda, Beatrix Farkas, Attila Glatz