Patents by Inventor Erik Wallstroem

Erik Wallstroem 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: 20240366585
    Abstract: This disclosure relates to the field of therapeutic tyrosine kinase inhibitors, in particular Bruton tyrosine kinase (“BTK”) inhibitors for treatment of subjects with relapsing multiple sclerosis.
    Type: Application
    Filed: March 22, 2024
    Publication date: November 7, 2024
    Applicant: Principia Biopharma Inc.
    Inventors: Meehyung Cho, Timothy J. Turner, Erik Wallstroem
  • Patent number: 11969418
    Abstract: This disclosure relates to the field of therapeutic tyrosine kinase inhibitors, in particular Bruton tyrosine kinase (“BTK”) inhibitors for treatment of subjects with relapsing multiple sclerosis.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: April 30, 2024
    Assignee: GENZYME CORPORATION
    Inventors: Meehyung Cho, Timothy J. Turner, Erik Wallstroem
  • Publication number: 20210244720
    Abstract: This disclosure relates to the field of therapeutic tyrosine kinase inhibitors, in particular Bruton tyrosine kinase (“BTK”) inhibitors for treatment of subjects with relapsing multiple sclerosis.
    Type: Application
    Filed: January 19, 2021
    Publication date: August 12, 2021
    Applicant: Genzyme Corporation
    Inventors: Meehyung Cho, Timothy J. Turner, Erik Wallstroem
  • Publication number: 20180161290
    Abstract: A compound of formula I: wherein X is O, S, SO or SO2; R1 is halogen, trihalomethyl, —OH, C1-7alkyl, C1-4alkoxy, trifluoromethoxy, phenoxy, cyclohexylmethyloxy, pyridylmethoxy, cinnamyloxy, naphthylmethoxy, phenoxymethyl, —CH2—OH, —CH2CH2—OH, C1-4alkylthio, C1-4alkylsulfonyl, benzylthio, acetyl, nitro or cyano, or phenyl, phenylC1-4alkyl or phenyl-C1-4alkoxy each phenyl group thereof being optionally substituted by halogen, CF3, C1-4alkyl or C1-4alkoxy; R2 is H, halogen, trihalomethyl, C1-4alkoxy, C1-7alkyl, phenethyl or benzyloxy; R3 H, halogen, CF3, OH, C1-7alkyl, C1-4alkoxy, benzyloxy, phenyl or C1-4alkoxymethyl; each of R4 and R5, independently is H or a residue of formula (a) wherein each of R8 and R9, independently, is H or C1-4alkyl optionally substituted by halogen; and n is an integer from 1 to 4; or a pharmaceutically acceptable salt, hydrate, solvate, isomer or prodrug thereof; or a compound of formula II wherein R1a is halogen, trihalomethyl, C1-4alkyl, C1-4alkoxy, C1-4alkylthio, C1
    Type: Application
    Filed: December 7, 2017
    Publication date: June 14, 2018
    Inventors: Peter Gergely, Erik Wallstroem, Eric Legangneux
  • Publication number: 20180064660
    Abstract: The invention provides the use of compound of formula V or formula VI in the treatment of a demyelinating peripheral neuropathy: Wherein X, R1, R2, R3, R4, R5, n, R1a, R2a, R3a, R4a, R5a, R6a, R7a, X8, and na are defined herein; or the N-oxide derivatives thereof or prodrugs thereof, or a pharmaceutically acceptable salt, solvate or hydrate thereof. The invention further provides combinations of a compound of Formula V or VI with one or more therapeutic agents and pharmaceutical composition thereof.
    Type: Application
    Filed: November 8, 2017
    Publication date: March 8, 2018
    Inventors: David LEPPERT, Erik WALLSTROEM, Barbara NEUSSLEIN-HILDESHEIM
  • Publication number: 20170119702
    Abstract: A compound of formula I: wherein X is O, S, SO or SO2; R1 is halogen, trihalomethyl, —OH, C1-7alkyl, C1-4alkoxy, trifluoromethoxy, phenoxy, cyclohexylmethyloxy, pyridylmethoxy, cinnamyloxy, naphthylmethoxy, phenoxymethyl, —CH2—OH, —CH2—CH2—OH, C1-4alkylthio, C1-4alkylsulfinyl, C1-4alkylsulfonyl, benzylthio, acetyl, nitro or cyano, or phenyl, phenylC1-4alkyl or phenyl-C1-4alkoxy each phenyl group thereof being optionally substituted by halogen, CF3, C1-4alkyl or C1-4alkoxy; R2 is H, halogen, trihalomethyl, C1-4alkoxy, C1-7alkyl, phenethyl or benzyloxy; R3 H, halogen, CF3, OH, C1-7alkyl, C1-4alkoxy, benzyloxy, phenyl or C1-4alkoxymethyl; each of R4 and R5, independently is H or a residue of formula (a) wherein each of R8 and R9, independently, is H or C1-4alkyl optionally substituted by halogen; and n is an integer from 1 to 4; or a pharmaceutically acceptable salt, hydrate, solvate, isomer or prodrug thereof; or a compound of formula II wherein R1a is halogen, trihalomethyl, C1-4alkyl, C1-4alko
    Type: Application
    Filed: October 19, 2016
    Publication date: May 4, 2017
    Applicant: Novartis AG
    Inventors: Peter Gergely, Erik Wallstroem, Eric Legangneux
  • Publication number: 20160263060
    Abstract: The invention provides the use of compound of formula V or formula VI in the treatment of a demyelinating peripheral neuropathy: wherein X, R1, R2, R3, R4, R5, n, R1a, R2a, R3a, R4a, R5a, R6a, R7a, Xa and na are defined herein; or the N-oxide derivatives thereof or prodrugs thereof, or a pharmaceutically acceptable salt, solvate or hydrate thereof. The invention further provides combinations of a compound of Formula V or VI with one or more therapeutic agents and pharmaceutical composition thereof.
    Type: Application
    Filed: May 23, 2016
    Publication date: September 15, 2016
    Applicant: NOVARTIS AG
    Inventors: David LEPPERT, Erik WALLSTROEM, Barbara NUESSLEIN-HILDESHEIM
  • Publication number: 20150218090
    Abstract: This invention relates to a method of treating multiple sclerosis in a mammalian patient, preferably a human, in need of such treatment, comprising administering to said human an S1P receptor modulator or agonist according to a dosing regimen that is determined with reference to the patient's blood lymphocyte count.
    Type: Application
    Filed: October 18, 2012
    Publication date: August 6, 2015
    Inventor: Erik Wallstroem
  • Publication number: 20140336265
    Abstract: A compound of formula I: wherein X is O, S, SO or SO2; R1 is halogen, trihalomethyl, —OH, C1-7alkyl, C1-4alkoxy, trifluoromethoxy, phenoxy, cyclohexylmethyloxy, pyridylmethoxy, cinnamyloxy, naphthylmethoxy, phenoxymethyl, —CH2—OH, —CH2—CH2—OH, C1-4alkylthio, C1-4alkylsulfinyl, C1-4alkylsulfonyl, benzylthio, acetyl, nitro or cyano, or phenyl, phenylC1-4alkyl or phenyl-C1-4alkoxy each phenyl group thereof being optionally substituted by halogen, CF3, C1-4alkyl or C1-4alkoxy; R2 is H, halogen, trihalomethyl, C1-4alkoxy, phenethyl or benzyloxy; R3 H, halogen, CF3, OH, C1-7alkyl, C1-4alkoxy, benzyloxy, phenyl or C1-4alkoxymethyl; each of R4 and R5, independently is H or a residue of formula (a) wherein each of R8 and R9, independently, is H or C1-4alkyl optionally substituted by halogen; and n is an integer from 1 to 4; or a pharmaceutically acceptable salt, hydrate, solvate, isomer or prodrug thereof; or a compound of formula II wherein R1a is halogen, trihalomethyl, C1-4alkyl, C1-4alkox
    Type: Application
    Filed: July 28, 2014
    Publication date: November 13, 2014
    Applicant: NOVARTIS AG
    Inventors: Peter Gergely, Erik Wallstroem, Eric Legangneux
  • Publication number: 20140242119
    Abstract: The invention provides the use of compound of formula V or formula VI in the treatment of a demyelinating peripheral neuropathy: wherein X, R1, R2, R3, R4, R5, n, R1a, R2a, R3a, R4a, R5a, R6a, R7a, Xa and na are defined herein; or the N-oxide derivatives thereof or prodrugs thereof, or a pharmaceutically acceptable salt, solvate or hydrate thereof. The invention further provides combinations of a compound of Formula V or VI with one or more therapeutic agents and pharmaceutical composition thereof.
    Type: Application
    Filed: April 18, 2014
    Publication date: August 28, 2014
    Applicant: NOVARTIS AG
    Inventors: David LEPPERT, Erik WALLSTROEM, Barbara NUESSLEIN-HILDESHEIM
  • Patent number: 8809316
    Abstract: The present invention discloses various immunosuppressants, salts and polymorphs thereof useful in the treatment of various disorders, including peripheral neuropathy. The invention also discloses pharmaceutical formulations utilizing the immunosuppressants, alone or in combination with other compounds, useful in treating disorders such as peripheral neuropathy. The present invention also discloses a method of treating peripheral neuropathy with immunosuppressants disclosed herein.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: August 19, 2014
    Assignee: Novartis AG
    Inventors: David Leppert, Erik Wallstroem, Barbara Nuesslein-Hildesheim
  • Publication number: 20140011797
    Abstract: The present invention discloses various immunosuppressants, salts and polymorphs thereof useful in the treatment of various disorders, including peripheral neuropathy. The invention also discloses pharmaceutical formulations utilizing the immunosuppressants, alone or in combination with other compounds, useful in treating disorders such as peripheral neuropathy. The present invention also discloses a method of treating peripheral neuropathy with immunosuppressants disclosed herein.
    Type: Application
    Filed: March 6, 2013
    Publication date: January 9, 2014
    Inventors: David LEPPERT, Erik WALLSTROEM, Barbara NUESSLEIN-HILDESHEIM
  • Publication number: 20130210924
    Abstract: A compound of formula (I) wherein X is O, S, SO or SO2; R1 is halogen, trihalomethyl, —OH, C1-7alkyl, C1-4alkoxy, trifluoromethoxy, phenoxy, cyclohexylmethyloxy, pyridylmethoxy, cinnamyloxy, naphthylmethoxy, phenoxymethyl, —CH2—OH, —CH2—CH2—OH, C1-4alkylthio, C1-4alkylsulfinyl, C1-4alkylsulfonyl, benzylthio, acetyl, nitro or cyano, or phenyl, phenylC1-4alkyl or phenyl-C1-4alkoxy each phenyl group thereof being optionally substituted by halogen, CF3, C1-4alkyl or C1-4alkoxy; R2 is H, halogen, trihalomethyl, C1-4alkoxy, C1-7alkyl, phenethyl or benzyloxy; R3H, halogen, CF3, OH, C1-7alkyl, C1-4alkoxy, benzyloxy, phenyl or C1-44alkoxymethyl; each of R4 and R5, independently is H or a residue of formula (a) wherein each of R8 and R9, independently, is H or C1-4alkyl optionally substituted by halogen; and n is an integer from 1 to 4; or a pharmaceutically acceptable salt, hydrate, solvate, isomer or prodrug thereof; or a compound of formula (II) wherein R1a is halogen, trihalomethyl, C1-4alkyl, C1-4alkoxy, C1-4alkyl
    Type: Application
    Filed: May 5, 2011
    Publication date: August 15, 2013
    Applicant: NOVARTIS AG
    Inventors: Peter Gergely, Erik Wallstroem, Eric Legangneux
  • Publication number: 20130172297
    Abstract: Disclosed is the use of a compound of formula I wherein X is O, S, SO or SO2; R1 is halogen, trihalomethyl, —OH, C1-7alkyl, C1-4alkoxy, trifluoromethoxy, phenoxy, cyclohexylmethyloxy, pyridylmethoxy, cinnamyloxy, naphthylmethoxy, phenoxymethyl, —CH2—OH, —CH2—CH2—OH, C1-4alkylthio, C1-4alkyl-sulfinyl, C1-4alkylsulfonyl, benzylthio, acetyl, nitro or cyano, or phenyl, phenylC1-4alkyl or phenyl-C1-4alkoxy each phenyl group thereof being optionally substituted by halogen, CF3, C1-4alkyl or C1-4alkoxy; R2 is H, halogen, trihalomethyl, C1-4alkoxy, C1-7alkyl, phenethyl or benzyloxy; R3H, halogen, CF3, OH, C1-7alkyl, C1-4alkoxy, benzyloxy, phenyl or C1-4alkoxymethyl; each of R4 and R5, independently is H or a residue of formula (a) wherein each of R8 and R9, independently, is H or C1-4alkyl optionally substituted by halogen; and n is an integer from 1 to 4; or a pharmaceutically acceptable salt, hydrate, solvate, isomer or prodrug thereof; or a compound of formula II wherein R1a is halogen, trihalomethyl, C1-4alkyl, C
    Type: Application
    Filed: May 5, 2011
    Publication date: July 4, 2013
    Applicant: NOVARTIS AG
    Inventors: Peter Gergely, Erik Wallstroem
  • Publication number: 20110190398
    Abstract: A compound of formula V or formula VI for use in the treatment of a demyelinating peripheral neuropathy: wherein X is O, S, SO or SO2, R1 is halogen, trihalomethyl, OH, C1-7alkyl, C1-4alkoxy, trifluoromethoxy, phenoxy, cyclohexylmethyloxy, pyridylmethoxy, cinnamyloxy, naphthylmethoxy, phenoxymethyl, CH2—OH, CH2—CH2—OH, C1-4alkylthio, C1-4alkylsulfinyl, C1-4alkylsulfonyl, benzylthio, acetyl, nitro or cyano, or phenyl, phenylC1-4alkyl or phenyl-C1-4alkoxy each phenyl group thereof being optionally substituted by halogen, CF3, C1-4alkyl or C1-4alkoxy; R2 is H, halogen, trihalomethyl, C1-4alkoxy, C1-7alkyl, phenethyl or benzyloxy; R3 is H, halogen, CF3, OH, C1-7alkyl, C1-4alkoxy, benzyloxy, phenyl or CMalkoxymethyl; each of R4 and R5, independently is H or a residue of formula (a), wherein each of R8 and R9, independently, is H or C1-4alkyl optionally substituted by halogen; and n is an integer from 1 to 4; and the N-oxide derivatives thereof or prodrugs thereof, or a pharmaceutically acceptable salt, solvate or
    Type: Application
    Filed: August 17, 2009
    Publication date: August 4, 2011
    Applicant: NOVARTIS AG
    Inventors: David Leppert, Erik Wallstroem, Barbara Nuesslein-Hildesheim
  • Publication number: 20110144082
    Abstract: A compound of formula A1 or A2 for use in the treatment of a demyelinating peripheral neuropathy: wherein A is COOR5, OPO(OR5)2, PO(OR5)2, SO2OR5, POR5OR5 or 1H-tetrazol-5-yl, R5 being H or an ester-forming group, optionally C1-6alkyl; W is a bond, C1-3alkylene or C2-3alkenylene; Y is C6-10aryl or C2-9heteroaryl eg C3-9heteroaryl, optionally substituted by 1 to 3 radicals selected from halogen, OH, NO2, C1-6alkyl, C1-6alkoxy; halo-substituted C1-6alkyl and halo-substituted C1-6alkoxy; Z is chosen from: wherein the asterisks of Z indicate the point of attachment between —C(R3)(R4)— and A of Formula Ia or Ib, respectively; R6 is chosen from hydrogen and C1-6alkyl; and J1 and J2 are independently methylene or a heteroatom chosen from S, O and NR5; wherein R5 is chosen from hydrogen and C1-6alkyl; and any alkylene of Z can be further substituted by one to three radicals chosen from halo, hydroxy, C1-6alkyl; or R6 can be attached to a carbon atom of Y to form a 5-7 member ring; R1 is C6-10aryl or C
    Type: Application
    Filed: August 17, 2009
    Publication date: June 16, 2011
    Inventors: David Leppert, Erik Wallstroem