Patents by Inventor Andreas Ritzèn

Andreas Ritzèn 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: 20240083869
    Abstract: Disclosed herein are compound or pharmaceutically acceptable salts or stereoisomers thereof of formula I: X1 is linear or branched C1-6 alkyl, C3-8 cycloalkyl, C6-10 aryl, 5-10 membered heteroaryl, 4-8 membered heterocycloalkyl, wherein X1 is unsubstituted or substituted with one or more of halogen, linear or branched C1-6 alkyl, linear or branched C1-6 heteroalkyl, CF3, CHF2, CMeF2, —O—CHF2, —O—(CH2)2—OMe, OCF3, C1-6 alkylamino, —CN, —N(H)C(O)—C1-6alkyl, —OC(O)—C1-6alkyl, —OC(O)—C1-4alkylamino, —C(O)O—C1-6alkyl, —COOH, —C1-6alkylC(O)OH, —C1-6alkylC(O)O—C1-6alkyl, NH2, C1-4 alkoxy, C1-4 alkylhydroxy, —CH2F, —N(H)C(O)—O—C1-6 alkyl, and C(OH)(CF3); or X1 together with the N atom of the carbamate forms a 4-8 membered heterocycloalkyl, which is unsubstituted or substituted with one or more of halogen, linear or branched —C1-6 alkyl, CF3, CHF2, CMeF2, —O—(CH2)2—OMe, OCF3, OCHF2, C1-6 alkylamino, —CN, —N(H)C(O)—C1-6alkyl, —OC(O)—C1-6alkyl, —C(O)O—C1-6alkyl, —COOH, —C1-6alkylC(O)OH, —C1-6alkylC(O)O—C1-6alkyl, NH
    Type: Application
    Filed: October 27, 2023
    Publication date: March 14, 2024
    Inventors: Bernhard Fasching, Thomas Ryckmans, Alexander Flohr, Andreas Ritzén, Freya Harvey, Laura McAllister
  • Publication number: 20210269447
    Abstract: The present invention relates to novel substituted azetidine dihydrothienopyrimidines with phosphodiesterase inhibitory activity, and to their use in therapy, and to pharmaceutical compositions comprising the compounds and to methods of treating diseases with the compounds (I).
    Type: Application
    Filed: June 27, 2019
    Publication date: September 2, 2021
    Inventors: Jens C. Højland LARSEN, Mogens LARSEN, Andreas RITZEN
  • Patent number: 10851116
    Abstract: The present invention relates to a compound according to formula I wherein R1 is alkyl; n is 1 or 2; R2 is selected from the group consisting of hydrogen, cyano, —SO2Ra, —SO2NRbRc, —C(O)Rb, phenyl and 5- and 6-membered heteroaryl or pharmaceutically acceptable salts, hydrates, or solvates thereof. The invention relates further to pharmaceutical compositions comprising said compounds, and to methods of treating proliferative or inflammatory skin disorders with said compounds.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: December 1, 2020
    Assignee: LEO Pharma A/S
    Inventors: Daniel Rodriguez Greve, Tue Heesgaard Jepsen, Mogens Larsen, Andreas Ritzen
  • Patent number: 10799507
    Abstract: The present invention relates to a compound according to formula (I) wherein X represents NH or O; n is an integer selected from 1-3; Y represents a bond, —C(O)O—*, —C(O)OR3—* or —C(O)NHR3—*; W is selected from the group consisting of phenyl, pyridyl, (C3-C7)cycloalkyl and 4-6 membered heterocycloalkyl; or pharmaceutically acceptable salts, hydrates, or solvates thereof. The invention relates further to said compounds for use in therapy, to pharmaceutical compositions comprising said compounds, to methods of treating diseases, with said compounds, and to the use of said compounds in the manufacture of medicaments.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: October 13, 2020
    Assignee: Leo Pharma A/S
    Inventors: Mogens Larsen, Andreas Ritzen, Bjarne Nørremark, Daniel Rodriguez Greve
  • Patent number: 10703751
    Abstract: The present invention relates to a compound according to formula (I) or pharmaceutically acceptable salts, hydrates, or solvates thereof; wherein R1 is C1-alkyl, R2 is C1-alkyl, R3 is C2-alkyl, R4 is hydrogen, R5 is hydrogen. The invention relates further to said compounds for use in therapy, to pharmaceutical compositions comprising said compounds, to said compounds for use in the treatment autoimmune diseases and to intermediates for the preparation of said compounds.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: July 7, 2020
    Assignee: Leo Pharma A/S
    Inventors: Jens Larsen, Mogens Larsen, Lars Kyhn Rasmussen, Andreas Ritzen, Tine Marianne Duus
  • Publication number: 20200009147
    Abstract: The present invention relates to a compound according to formula I wherein X represents NH or 0; n is an integer selected from 1-3; Y represents a bond, —C(O)O—*, —C(O)OR3—* or —C(O)NHR3—*; W is selected from the group consisting of phenyl, pyridyl, (C3-C7)cycloalkyl and 4-6 membered heterocycloalkyl; or pharmaceutically acceptable salts, hydrates, or solvates thereof. The invention relates further to said compounds for use in therapy, to pharmaceutical compositions comprising said compounds, to methods of treating diseases, with said compounds, and to the use of said compounds in the manufacture of medicaments.
    Type: Application
    Filed: February 1, 2018
    Publication date: January 9, 2020
    Inventors: Mogens LARSEN, Andreas RITZEN, Bjarne NØRREMARK, Daniel Rodriguez GREVE
  • Publication number: 20190382418
    Abstract: The present invention relates to a compound according to formula I wherein R1 represents alkyl; n is 1 or 2; R2 is selected from the group consisting of hydrogen, cyano, —SO2Ra, —SO2NRbRc, —C(O)Rb, phenyl and 5- and 6-membered heteroaryl or pharmaceutically acceptable salts, hydrates, or solvates thereof. The invention relates further to, to said compounds for use in therapy, to pharmaceutical compositions comprising said compounds, to methods of treating diseases, with said compounds, and to the use of said compounds in the manufacture of medicaments.
    Type: Application
    Filed: January 19, 2018
    Publication date: December 19, 2019
    Inventors: Daniel Rodriguez GREVE, Tue Heesgaard JEPSEN, Mogens LARSEN, Andreas RITZEN
  • Publication number: 20190367512
    Abstract: The present invention relates to a compound according to formula (I) or pharmaceutically acceptable salts, hydrates, or solvates thereof; wherein R1 is C1-alkyl, R2 is C1-alkyl, R3 is C2-alkyl, R4 is hydrogen, R5 is hydrogen. The invention relates further to said compounds for use in therapy, to pharmaceutical compositions comprising said compounds, to said compounds for use in the treatment autoimmune diseases and to intermediates for the preparation of said compounds.
    Type: Application
    Filed: January 10, 2018
    Publication date: December 5, 2019
    Inventors: Jens LARSEN, Mogens LARSEN, Lars Kyhn RASMUSSEN, Andreas RITZEN, Tine Marianne DUUS
  • Patent number: 9592230
    Abstract: This invention is directed to phenylimidazole derivatives having the formula I: wherein HET is an optionally substituted heteroaromatic group; -L- is selected from the group consisting of —CH2—CH2—, —S—CH2—, —CH2—S— and —CH?CH—, R1 is selected from the group consisting of H, C1-C6 alkyl; C1-C6 alkyl(C3-C8)cycloalkyl; C1-C6 hydroxyalkyl, CH2CN, CH2C(O)NH2, C1-C6 arylalkyl, and C1-C6 alkyl-heterocycloalkyl, and R2, R3, R4, R5 and R6 are selected individually from the group consisting of H, C1-C6 alkoxy and halogen, or pharmaceutically acceptable acid addition salts thereof, which are PDE10A enzyme inhibitors useful in the treatment of psychiatric disorders and drug addiction.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: March 14, 2017
    Assignee: H. Lundbeck A/S
    Inventors: Andreas Ritzen, Morten Langgard, Jan Kehler, Jacob Nielsen, John Paul Kilburn, Mohamed M. Farah
  • Publication number: 20150190395
    Abstract: This invention is directed to compounds, which are PDE10A enzyme inhibitors. The invention provides a pharmaceutical composition comprising a therapeutically effective amount of a compound of the invention and a pharmaceutically acceptable carrier. The present invention also provides processes for the preparation of the compounds of formula I. The present invention further provides a method of treating a subject suffering from a neurodegenerative disorder comprising administering to the subject a therapeutically effective amount of a compound of formula I. The present invention also provides a method of treating a subject suffering from a drug addiction comprising administering to the subject a therapeutically effective amount of a compound of formula I. The present invention further provides a method of treating a subject suffering from a psychiatric disorder comprising administering to the subject a therapeutically effective amount of a compound of formula I.
    Type: Application
    Filed: March 20, 2015
    Publication date: July 9, 2015
    Applicant: H. Lundbeck A/S
    Inventors: Andreas Ritzen, Morten Langgard, Jan Kehler, Jacob Nielsen, John Paul Kilburn, Mohamed M. Farah
  • Patent number: 9018217
    Abstract: This invention is directed to compounds, which are PDE10A enzyme inhibitors. The invention provides a pharmaceutical composition comprising a therapeutically effective amount of a compound of the invention and a pharmaceutically acceptable carrier. The present invention also provides processes for the preparation of the compounds of formula I. The present invention further provides a method of treating a subject suffering from a neurodegenerative disorder comprising administering to the subject a therapeutically effective amount of a compound of formula I. The present invention also provides a method of treating a subject suffering from a drug addiction comprising administering to the subject a therapeutically effective amount of a compound of formula I. The present invention further provides a method of treating a subject suffering from a psychiatric disorder comprising administering to the subject a therapeutically effective amount of a compound of formula I.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: April 28, 2015
    Assignee: H. Lundbeck A/S
    Inventors: Andreas Ritzen, Morten Langgard, Jan Kehler, Jacob Nielsen, John Paul Kilburn, Mohamed M. Farah
  • Publication number: 20150025081
    Abstract: This invention is directed to compounds, which are PDE10A enzyme inhibitors. The invention provides a pharmaceutical composition comprising a therapeutically effective amount of a compound of the invention and a pharmaceutically acceptable carrier. The present invention also provides processes for the preparation of the compounds of formula I. The present invention further provides a method of treating a subject suffering from a neurodegenerative disorder comprising administering to the subject a therapeutically effective amount of a compound of formula I. The present invention also provides a method of treating a subject suffering from a drug addiction comprising administering to the subject a therapeutically effective amount of a compound of formula I. The present invention further provides a method of treating a subject suffering from a psychiatric disorder comprising administering to the subject a therapeutically effective amount of a compound of formula I.
    Type: Application
    Filed: September 17, 2014
    Publication date: January 22, 2015
    Inventors: Andreas Ritzen, Morten Langgard, Jan Kehler, Jacob Nielsen, John Paul Kilburn, Mohamed M. Farah
  • Patent number: 8865711
    Abstract: This invention is directed to compounds, which are PDE10A enzyme inhibitors. The invention provides a pharmaceutical composition comprising a therapeutically effective amount of a compound of the invention and a pharmaceutically acceptable carrier. The present invention also provides processes for the preparation of the compounds of formula I. The present invention further provides a method of treating a subject suffering from a neurodegenerative disorder comprising administering to the subject a therapeutically effective amount of a compound of formula I. The present invention also provides a method of treating a subject suffering from a drug addiction comprising administering to the subject a therapeutically effective amount of a compound of formula I. The present invention further provides a method of treating a subject suffering from a psychiatric disorder comprising administering to the subject a therapeutically effective amount of a compound of formula I.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: October 21, 2014
    Assignee: H. Lundbeck A/S
    Inventors: Andreas Ritzén, Jan Kehler, Morten Langgård, Jacob Nielsen, John Paul Kilburn, Mohamed M. Farah
  • Patent number: 8841297
    Abstract: This invention provides the compound 5,8-Dimethyl-2-[2-(1-methyl-4-phenyl-1H-imidazol-2-yl)-ethyl]-[1,2,4]thazolo[1,5-a]pyrazine and pharmaceutically acceptable acid addition salts thereof.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: September 23, 2014
    Assignee: H. Lundbeck A/S
    Inventors: Andreas Ritzén, Jan Kehler, Morten Langgård, Jacob Nielsen, John Paul Kilburn, Mohammed M. Farah
  • Patent number: 8299075
    Abstract: The present invention relates to morpholine and thiomorpholine derivatives of the general formula I or pharmaceutically acceptable salts thereof and their use.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: October 30, 2012
    Assignee: H. Lundbeck A/S
    Inventors: Christian Wenzel Tornoe, Mario Rottlander, Nikolay Khanzhin, William Patrick Watson, Andreas Ritzen
  • Publication number: 20120190685
    Abstract: This invention provides the compound 5,8-Dimethyl-2-[2-(1-methyl-4-phenyl-1H-imidazol-2-yl)-ethyl]-[1,2,4]thazolo[1,5-a]pyrazine and pharmaceutically acceptable acid addition salts thereof.
    Type: Application
    Filed: June 17, 2010
    Publication date: July 26, 2012
    Applicant: H. Lundbeck A/S
    Inventors: Andreas Ritzén, Jan Kehler, Morten Langgård, Jacob Nielsen, John Paul Kilburn, Mohammed M. Farah
  • Publication number: 20120135987
    Abstract: This invention is directed to compounds, which are PDE10A enzyme inhibitors. The invention provides a pharmaceutical composition comprising a therapeutically effective amount of a compound of the invention and a pharmaceutically acceptable carrier. The present invention also provides processes for the preparation of the compounds of formula I. The present invention further provides a method of treating a subject suffering from a neurodegenerative disorder comprising administering to the subject a therapeutically effective amount of a compound of formula I. The present invention also provides a method of treating a subject suffering from a drug addiction comprising administering to the subject a therapeutically effective amount of a compound of formula I. The present invention further provides a method of treating a subject suffering from a psychiatric disorder comprising administering to the subject a therapeutically effective amount of a compound of formula I.
    Type: Application
    Filed: February 3, 2012
    Publication date: May 31, 2012
    Applicant: H. Lundbeck A/S
    Inventors: Andreas Ritzén, Jan Kehler, Morten Langgård, Jacob Nielsen, John Paul Kilburn, Mohamed M. Farah
  • Patent number: 8133897
    Abstract: This invention is directed to phenylimidazole compounds, which are PDE10A enzyme inhibitors useful for the treatment of neurological and psychiatric disorders.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: March 13, 2012
    Assignee: H. Lundbeck A/S
    Inventors: Andreas Ritzén, Jan Kehler, Morten Langgård, Jacob Nielsen, John Paul Kilburn
  • Publication number: 20110294787
    Abstract: The present invention relates to morpholine and thiomorpholine derivatives of the general formula I or pharmaceutically acceptable salts thereof and their use.
    Type: Application
    Filed: July 28, 2011
    Publication date: December 1, 2011
    Applicant: H. Lundbeck A/S
    Inventors: Christian Wenzel Tornøe, Mario Rottländer, Nikolay Khanzhin, Andreas Ritzèn, William Patrick Watson
  • Patent number: 8012962
    Abstract: The present invention relates to thiomorpholine derivatives of formula I or pharmaceutically acceptable salts thereof and their use in treating seizure disorders, anxiety disorders, bipolar disorders, neuropathic pain disorders and migraine pain disorders.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: September 6, 2011
    Assignee: H. Lundbeck A/S
    Inventors: Christian Wenzel Tornoe, Mario Rottlander, Nikolay Khanzhin, Andreas Ritzen, William Patrick Watson