Patents by Inventor Ivars Kalvinsh

Ivars Kalvinsh 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).

  • Publication number: 20080039476
    Abstract: The invention relates to pyrazolopyrimidine derivatives of formula (I) wherein Y1, Y2 and Y3 independently are e.g. CR10, NH, S or O, whereby at least one of Y1, Y2 and Y3 represents CR10; R1 represents chloro or bromo; R2, R3, R4, R5, R6 and R7 represent e.g. hydrogen or C1-C6-alkyl, and R10 represents e.g. hydrogen, halogen or phenyl; which are potent mGluR5 modulators and are e.g. useful for the treatment of various neurological disorders.
    Type: Application
    Filed: August 3, 2007
    Publication date: February 14, 2008
    Applicant: MERZ PHARMA GMBH & CO. KGAA
    Inventors: Wojciech Danysz, Andrzej Dekundy, Mirko Hechenberger, Markus Henrich, Claudia Jatzke, Jens Nagel, Christopher Graham Raphael Parsons, Tanja Weil, Juris Fotins, Aleksandrs Gutcaits, Ivars Kalvinsh, Ronalds Zemribo, Valerjans Kauss
  • Publication number: 20080032998
    Abstract: Substituted pyrazolopyrimidine derivatives of formula (I) wherein R1 represents chloro or bromo; R2, R3, R4, R5, R6 and R7 independently represent e.g. hydrogen or C1-6-alkyl; R8 represents a radical R9 or a radical R10, whereby one of the two radicals R8 represents R9 and the other radical R8 represents Ret; R9 represents e.g. a phenyl or thiophene group, and R10 represents e.g. hydrogen or methyl; are potent mGluR5 modulators and are useful for the prevention of acute and chronic neurological disorders.
    Type: Application
    Filed: August 3, 2007
    Publication date: February 7, 2008
    Applicant: MERZ PHARMA GMBH & CO. KGAA
    Inventors: Wojciech Danysz, Andrzej Dekundy, Mirko Hechenberger, Markus Henrich, Claudia Jatzke, Jens Nagel, Christopher Parsons, Tanja Weil, Juris Fotins, Aleksandrs Gutcaits, Ivars Kalvinsh, Ronalds Zemribo, Valerjans Kauss
  • Publication number: 20070299113
    Abstract: The invention relates to imidazothiazole derivatives as well as their pharmaceutically acceptable salts. The invention further relates to a process for the preparation of such compounds. The compounds of the invention are group I mGluR modulators and are therefore useful for the control and prevention of various disorders, including acute and/or chronic neurological disorders.
    Type: Application
    Filed: June 22, 2007
    Publication date: December 27, 2007
    Applicant: MERZ PHARMA GMBH & CO. KGAA
    Inventors: Ivars Kalvinsh, Larisa Kaulina, Valerjans Kauss, Ronalds Zemribo, Wojciech Danysz, Markus Henrich, Christopher Graham Raphael Parsons, Tanja Weil, Elina Erdmane
  • Publication number: 20070185151
    Abstract: Azabicyclic, azatricyclic and azaspirocyclic derivatives of aminocyclohexanes which are systemically-active as NMDA, 5HT3, and nicotinic receptor antagonists, pharmaceutical compostions comprising the same, method of preparation thereof, and method of treating CNS disorders which involve disturbances of glutamatergic, serotoninergic, and nicotinic transmission, treating immunomodulatory disorders, and antimalaria, antitrypanosomal, anti-Borna virus, anti-HSV and anti-Hepatitis C virus activity.
    Type: Application
    Filed: April 4, 2007
    Publication date: August 9, 2007
    Applicant: MERZ PHARMA GMBH & CO. KGAA
    Inventors: Christopher Parsons, Markus Henrich, Wojciech Danysz, Ivars Kalvinsh, Valerjans Kauss, Aigars Jirgensons, Markus Gold, Maksims Vanejevs
  • Patent number: 7238703
    Abstract: Azabicyclic, azatricyclic and azaspirocyclic derivatives of aminocyclohexanes which are systemically-active as NMDA, 5HT3, and nicotinic receptor antagonists, pharmaceutical compositions comprising the same, method of preparation thereof, and method of treating CNS disorders which involve disturbances of glutamatergic, serotoninergic, and nicotinic transmission, treating immunomodulatory disorders, and antimalaria, antitrypanosomal, anti-Borne virus, anti-HSV and anti-Hepatitis C virus activity.
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: July 3, 2007
    Assignee: Merz Pharma GmbH & Co. KGAA
    Inventors: Christopher G. R. Parsons, Markus Henrich, Wojciech Danysz, Ivars Kalvinsh, Valerjans Kauss, Aigars Jirgensons, Markus Gold, Maksims Vanejevs
  • Patent number: 7223797
    Abstract: New salts of Meldonium, the method of their preparation, and pharmaceutical formulation on their basis have been described. The general formula of these salts is X?(CH3)3N+NHCH2CH2COOH where X? is an acid anion selected from the group of pharmaceutically acceptable acids. Practically non-hygroscopic and/or increased thermal stability and/or lasting action Meldonium hydrogen salts of fumaric acid, phosphoric acid, oxalic acid, maleic acid, and pamoic acid as well as Meldonium orotate and galactarate are especially suitable. Novel pharmaceutical formulations containing non-hygroscopic and/or increased thermal stability and/or and/or lasting action 3-(2,2,2-trimethylhydrazinium) propionate salts for oral parenteral, rectal, and transdermal introduction are concurrently described.
    Type: Grant
    Filed: July 15, 2004
    Date of Patent: May 29, 2007
    Assignee: Joint Stock Company “Grindeks”
    Inventors: Ivars Kalvinsh, Anatolijs Birmans
  • Publication number: 20070105961
    Abstract: Certain 1-aminoalkylcyclohexanes are systematically-active 5HT3 and nicotinic receptor antagonists and are useful in the inhibition of progression of or alleviation of conditions resulting from disturbances of serotoninergic or nicotinergic transmission giving them a wide range of utility in the treatment of CNS-disorders. Pharmaceutical compositions thereof for such purpose and method of making same, as a method-of-treating conditions which are alleviated by the employment of a 5HT3 or neuronal nicotinic receptor antagonist.
    Type: Application
    Filed: December 21, 2006
    Publication date: May 10, 2007
    Applicant: MERZ PHARMA GMBH & CO. KGAA
    Inventors: Christopher Parsons, Wojciech Danysz, Markus Gold, Ivars Kalvinsh, Valerjans Kauss, Aigars Jirgensons
  • Patent number: 7183298
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula: (I) A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is a sulfonamide linkage selected from: —S(?O)2NR1— and —NR1S(?O)2—; R1 is a sulfonamido substituent; and, Q2 is an acid leader group; with the proviso that if J is —S(?O)2NR1—, then Q1 is an aryl leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: February 27, 2007
    Assignee: Topotarget UK Limited
    Inventors: Clare J Watkins, Maria Rosario Romero-Martin, Kathryn G Moore, James Ritchie, Paul W Finn, Ivars Kalvinsh, Einars Loza, Klara Dikovska, Vija Gailite, Maxim Vorona, Irina Piskunova, Igor Starchenkov, Victor Andrianov, C. John Harris, James E. S. Duffy
  • Publication number: 20070004806
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula: (I) A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is a sulfonamide linkage selected from: —S(?O)2NR1— and —NR1S(?O)2—; R1 is a sulfonamido substituent; and, Q2 is an acid leader group; with the proviso that if J is —S(?O)2NR1—, then Q1 is an aryl leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Application
    Filed: September 7, 2006
    Publication date: January 4, 2007
    Applicant: TOPOTARGET UK LIMITED
    Inventors: Ivars Kalvinsh, Einars Loza, Vija Gailite
  • Publication number: 20060264506
    Abstract: New salts of Meldonium, the method of their preparation, and pharmaceutical formulation on their basis have been described. The general formula of these salts is X?(CH3)3N+NHCH2CH2COOH where X? is an acid anion selected from the group of pharmaceutically acceptable acids. Practically non-hygroscopic and/or increased thermal stability and/or lasting action Meldonium hydrogen salts of fumaric acid, phosphoric acid, oxalic acid, maleic acid, and pamoic acid as well as Meldonium orotate and galactarate are especially suitable. Novel pharmaceutical formulations containing non-hygroscopic and/or increased thermal stability and/or and/or lasting action 3-(2,2,2-trimethylhydrazinium) propionate salts for oral parenteral, rectal, and transdermal introduction are concurrently described.
    Type: Application
    Filed: July 15, 2004
    Publication date: November 23, 2006
    Inventors: Ivars Kalvinsh, Anatolijs Birmans
  • Publication number: 20060079528
    Abstract: This invention pertains to certain carbamic acid compounds of the following formula, which inhibit HDAC (histone deacetylase) activity wherein: A is independently an unsubstituted or substituted bicyclic C9-10heteroaryl group (e.g., quinolinyl; quinoxalinyl; benzoxazolyl; benzothiazolyl); Q is an acid leader group, and is independently an unsubstituted or substituted, saturated or unsaturated C17alkylene group having a backbone length of 4 or less; with the proviso that if A is unsubstituted benzothiazol-2-yl, then Q is an unsaturated group; and with the proviso that if A is unsubstituted quinolin-6-yl, then Q is unsubstituted at the a-position; and with the proviso that A is not benzimidazol-2-yl; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof.
    Type: Application
    Filed: February 25, 2004
    Publication date: April 13, 2006
    Inventors: Paul Finn, Ivars Kalvinsh, Einars Loza, Victor Andrianov, Olga Habarova, Daina Lolya, Irina Piskunova
  • Publication number: 20060074083
    Abstract: The invention relates to novel cyclic and non-cyclic propenone derivatives as well as their pharmaceutically acceptable slats. The invention further relates to a process for the preparation of such compounds. The compounds of the invention are useful as medicaments.
    Type: Application
    Filed: October 5, 2005
    Publication date: April 6, 2006
    Applicant: MERZ PHARMA GMBH & CO. KGAA
    Inventors: Ivars Kalvinsh, Valerjans Kauss, Dina Trifanova, Ronalds Zemribo, Wojciech Danysz, Markus Henrich, Christopher Parsons, Tanja Weil
  • Patent number: 7022729
    Abstract: Azabicyclic, azatricyclic and azaspirocyclic derivatives of aminocyclohexanes which are systemically-active as NMDA, 5HT3, and nicotinic receptor antagonists, pharmaceutical compositions comprising the same, method of preparation thereof, and method of treating CNS disorders which involve disturbances of glutamatergic, serotoninergic, and nicotinic transmission, treating immunomodulatory disorders, and antimalaria, antitrypanosomal, anti-Borna virus, anti-HSV and anti-Hepatitis C virus activity.
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: April 4, 2006
    Assignee: Merz Pharma GmbH & Co. KGAA
    Inventors: Christopher Graham Raphael Parsons, Markus Henrich, Wojciech Danysz, Ivars Kalvinsh, Valerjans Kauss, Aigars Jirgensons, Markus Gold, Maksims Vanejevs
  • Publication number: 20060058282
    Abstract: This invention pertains to certain carbamic acid compounds of the formula (I), which inhibit HDAC (histone deacetylase) activity: wherein: J is a linking functional group and is independently: —O—C(?O)— or —C(?O)—O— or —C(?O)—; Cy is a cyclyl group and is independently: C3-20carbocyclyl, C3-20heterocyclyl, or C5-20aryl; and is optionally substituted; Q1 is a cyclyl leader group, and is independently a divalent bidentate group obtained by removing two hydrogen atoms from a ring carbon atom of a saturated monocyclic hydrocarbon having from 4 to 7 ring atoms, or by removing two hydrogen atoms from a ring carbon atom of saturated monocyclic heterocyclic compound having from 4 to 7 ring atoms including 1 nitrogen ring atom or 1 oxygen ring atom; and is optionally substituted; Q2 is an acid leader group, and is independently: C1-8alkylene; and is optionally substituted; or: Q2 is an acid leader group, and is independently: C5-20arylene; C5-20arylene-C1-7alkylene; C1-7alkylene-C5-20arylene; or C1-7alkylene-C5-20aryl
    Type: Application
    Filed: January 19, 2004
    Publication date: March 16, 2006
    Inventors: Paul Finn, Ivars Kalvinsh, Einars Loza, Aleksandrs Gutcaits, Irena Olutnika, Ludmila Serpionova, Vija Gailite, Rasma Bokaldere
  • Publication number: 20060019982
    Abstract: Azabicyclic, azatricyclic and azaspirocyclic derivatives of aminocyclohexanes which are systemically-active as NMDA, 5HT3, and nicotinic receptor antagonists, pharmaceutical compositions comprising the same, method of preparation thereof, and method of treating CNS disorders which involve disturbances of glutamatergic, serotoninergic, and nicotinic transmission, treating immunomodulatory disorders, and antimalaria, antitrypanosomal, anti-Borna virus, anti-HSV and anti-Hepatitis C virus activity.
    Type: Application
    Filed: August 11, 2005
    Publication date: January 26, 2006
    Applicant: MERZ PHARMA GMBH & CO. KGAA
    Inventors: Christopher Parsons, Markus Henrich, Wojciech Danysz, Ivars Kalvinsh, Valerjans Kauss, Aigars Jirgensons, Markus Gold, Maksims Vanejevs
  • Publication number: 20060019983
    Abstract: Azabicyclic, azatricyclic and azaspirocyclic derivatives of aminocyclohexanes which are systemically-active as NMDA, 5HT3, and nicotinic receptor antagonists, pharmaceutical compositions comprising the same, method of preparation thereof, and method of treating CNS disorders which involve disturbances of glutamatergic, serotoninergic, and nicotinic transmission, treating immunomodulatory disorders, and antimalaria, antitrypanosomal, anti-Borna virus, anti-HSV and anti-Hepatitis C virus activity.
    Type: Application
    Filed: August 11, 2005
    Publication date: January 26, 2006
    Applicant: MERZ PHARMA GMBH & CO. KGAA
    Inventors: Christopher Parsons, Markus Henrich, Wojciech Danysz, Ivars Kalvinsh, Valerjans Kauss, Aigars Jirgensons, Markus Gold, Maksims Vanejevs
  • Publication number: 20060004001
    Abstract: The invention relates to tetrahydroquinolinone derivatives as well as their pharmaceutically acceptable salts. The invention further relates to a process for the preparation of such compounds. The compounds of the invention are group I mGluR modulators and are therefore useful for the control and prevention of acute and/or chronic neurological disorders.
    Type: Application
    Filed: August 25, 2005
    Publication date: January 5, 2006
    Applicant: MERZ PHARMA GMBH & CO., KGAA
    Inventors: Aigars Jirgensons, Christopher Parsons, Ieva Jaunzeme, Ivars Kalvinsh, Markus Henrich, Maksims Vanejevs, Tanja Weil, Valerjans Kauss, Wojciech Danysz
  • Publication number: 20050288284
    Abstract: The invention relates to ethynyl-substituted tetrahydroquinolinone derivatives as well as their pharmaceutically acceptable salts. The invention further relates to a process for the preparation of such compounds. The compounds of the invention are group I mGluR modulators and are therefore useful for the control and prevention of acute and/or chronic neurological disorders.
    Type: Application
    Filed: August 24, 2005
    Publication date: December 29, 2005
    Applicant: MERZ PHARMA GMBH & CO. KGAA
    Inventors: Aigars Jirgensons, Christopher Parsons, Ieva Jaunzeme, Ivars Kalvinsh, Markus Henrich, Maksims Vanejevs, Tanja Weil, Valerjans Kauss, Wojciech Danysz
  • Patent number: 6960685
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula: wherein: A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is an amide linkage selected from: —NR1C(?O)— and —C(?O)NR1—; R1 is an amido substituent; X is an ether heteroatom, and is —O— or —S—; and, R2 and R3 are each independently an ether group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: November 1, 2005
    Assignee: TopoTarget UK Limited
    Inventors: Clare J Watkins, Maria Rosario Romero-Martin, Paul W Finn, Ivars Kalvinsh, Einars Loza, Daina Lolya, Igor Starchenkov, Rasma M Bokaldere, Valentina Semenikhina, C. John Harris, James E. S. Duffy
  • Publication number: 20050197361
    Abstract: The invention relates to tetrahydroquinolinone derivatives as well as their pharmaceutially acceptable salts. The invention further relates to a process for the preparation of such compounds. The compounds of the invention are group I mGluR antagonists and are therefore useful for the control and prevention of acute and/or chronic neurological disorders.
    Type: Application
    Filed: February 25, 2005
    Publication date: September 8, 2005
    Applicant: MERZ PHARMA GMBH & CO. KGAA
    Inventors: Aigars Jirgensons, Christopher Parsons, Ieva Jaunzeme, Ivars Kalvinsh, Markus Henrich, Maksims Vanejevs, Tanja Weil, Valerjans Kauss, Wojciech Danysz