Patents by Inventor Walter Vifian

Walter Vifian 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: 20240018163
    Abstract: The invention relates to a compound of formula (I) wherein R1—R4 and A1-A3 are as defined in the description and in the claims. The compound of formula (I) can be used as a medicament.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 18, 2024
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Virginie BROM, Cosimo DOLENTE, Delphine GAUFRETEAU, Nadine GRETHER, Fionn Susannah O'HARA, Matilde PIRAS, Hasane RATNI, Michael REUTLINGER, Walter VIFIAN, Claudio ZAMBALDO
  • Publication number: 20240010659
    Abstract: The invention relates to a compound of formula (I) wherein R1-R4 and A1 are as defined in the description and in the claims. The compound of formula (I) can be used as a medicament.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 11, 2024
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Cosimo DOLENTE, Nadine GRETHER, Fionn Susannah O'HARA, Matilde PIRAS, Hasane RATNI, Michael REUTLINGER, Walter VIFIAN, Claudio ZAMBALDO
  • Publication number: 20240002407
    Abstract: The invention relates to a compound of formula (I) wherein X, R1-R4 are as defined in the description and in the claims. The compound of formula (I) can be used as a medicament.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Cosimo DOLENTE, Nadine GRETHER, Fionn Susannah O'HARA, Matilde PIRAS, Hasane RATNI, Michael REUTLINGER, Walter VIFIAN, Claudio ZAMBALDO
  • Patent number: 11440915
    Abstract: The present invention relates to compounds of formula (I), wherein R is hydrogen or halogen, wherein R may be different if n=2 or 3; n is 1, 2 or 3; (II) is a disubstituted bicyclo[1,1,1]pentane or bicyclo[2,2,2]octane as defined below: (III) or (IV); or to a pharmaceutically active acid addition salt thereof, to a racemic mixture or to its corresponding enantiomer and/or an optical isomer and/or stereoisomer thereof. The compounds may be used for the treatment of Alzheimer's disease, cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica or Down syndrome.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: September 13, 2022
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Bjoern Bartels, Xinlan Aloise Ford Cook, Hasane Ratni, Michael Reutlinger, Walter Vifian
  • Patent number: 11414420
    Abstract: The invention provides new pyrimidine compounds having the general formula (I), wherein R1, R2, R3, n, and X are as described herein, compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: August 16, 2022
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Bjoern Bartels, Xinlan Aloise Ford Cook, Hasane Ratni, Michael Reutlinger, Walter Vifian
  • Publication number: 20200317681
    Abstract: The present invention relates to compounds of formula (I), wherein R is hydrogen or halogen, wherein R may be different if n=2 or 3; n is 1, 2 or 3; (II) is a disubstitued bicyclo[1,1,1]pentane or bicyclo[2,2,2]octane as defined below: (III) or (IV); or to a pharmaceutically active acid addition salt thereof, to a racemic mixture or to its corresponding enantiomer and/or an optical isomer and/or stereoisomer thereof. The compounds may be used for the treatment of Alzheimer's disease, cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica or Down syndrome.
    Type: Application
    Filed: December 17, 2018
    Publication date: October 8, 2020
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Bjoern BARTELS, Xinlan Aloise Ford COOK, Hasane RATNI, Michael REUTLINGER, Walter VIFIAN
  • Publication number: 20200291032
    Abstract: The invention provides new pyrimidine compounds having the general formula (I), wherein R1, R2, R3, n, and X are as described herein, compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds.
    Type: Application
    Filed: November 26, 2018
    Publication date: September 17, 2020
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Bjoern BARTELS, Xinlan Aloise Ford COOK, Hasane RATNI, Michael REUTLINGER, Walter VIFIAN
  • Patent number: 10696691
    Abstract: The present invention provides a compound of formula I, having BACE1 inhibitory activity, their manufacture, pharmaceutical compositions containing them and their use as therapeutically active substances. The active compounds of the present invention are useful in the therapeutic and/or prophylactic treatment of e.g. Alzheimer's disease.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: June 30, 2020
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Bjoern Bartels, Cosimo Dolente, Wolfgang Guba, Wolfgang Haap, Ulrike Obst Sander, Walter Vifian, Thomas Woltering
  • Publication number: 20190270757
    Abstract: The present invention provides a compound of formula I, having BACE1 inhibitory activity, their manufacture, pharmaceutical compositions containing them and their use as therapeutically active substances. The active compounds of the present invention are useful in the therapeutic and/or prophylactic treatment of e.g. Alzheimer's disease.
    Type: Application
    Filed: February 13, 2019
    Publication date: September 5, 2019
    Inventors: Bjoern Bartels, Cosimo Dolente, Wolfgang Guba, Wolfgang Haap, Ulrike Obst Sander, Walter Vifian, Thomas Woltering
  • Patent number: 10246468
    Abstract: The present invention provides a compound of formula I, having BACE1 inhibitory activity, their manufacture pharmaceutical compositions containing them and their use as therapeutically active substances. The active compounds of the present invention are useful in the therapeutic and/or prophylactic treatment of e.g. Alzheimer's disease.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: April 2, 2019
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Bjoern Bartels, Cosimo Dolente, Wolfgang Guba, Wolfgang Haap, Ulrike Obst Sander, Walter Vifian, Thomas Woltering
  • Publication number: 20190002476
    Abstract: The present invention provides a compound of formula I, having BACE1 inhibitory activity, their manufacture, pharmaceutical compositions containing them and their use as therapeutically active substances. The active compounds of the present invention are useful in the therapeutic and/or prophylactic treatment of e.g. Alzheimer's disease.
    Type: Application
    Filed: August 8, 2016
    Publication date: January 3, 2019
    Inventors: Bjoern Bartels, Cosimo Dolente, Wolfgang Guba, Wolfgang Haap, Ulrike Obst Sander, Walter Vifian, Thomas Woltering
  • Patent number: 9808456
    Abstract: The present invention relates to a compound of formula (IA), wherein G1 is lower alkyl; lower alkyl substituted by one or more halogens; cycloalkyl; tetrahydropyran-4-yl; phenethyl; phenethyl substituted by one or more halogens; phenoxymethyl; phenoxymethyl substituted by one or more halogens; benzyloxyethyl; benzyloxy-ethyl substituted by one or more halogens; or is —NR2R3; R2 is hydrogen or lower alkyl; R3 is lower alkyl; tetrahydropyran-4-yl; —CH2-cycloalkyl; or cycloalkyl optionally substituted by lower alkyl substituted by one or more halogens; or R2 and R3 form together with the N-atom to which they are attached a heterocycloalkyl group with 4 or 5 carbon atoms, which is optionally substituted by one or more substituents selected from halogen; or lower alkyl substituted by one or more halogens; X is —CH2— or —(CH2)2—; Ar is phenyl or pyridinyl; R4 is halogen; lower alkyl; lower alkyl substituted by one or more halogens; or lower alkoxy; n is 1 or 2; or to a pharmaceutically active salt thereof, to a ste
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: November 7, 2017
    Assignee: REMYND NV
    Inventors: Gerard Griffioen, Giuseppe Cecere, Matthias Nettekoven, Katrien Princen, Hasane Ratni, Mark Rogers-Evans, Walter Vifian
  • Patent number: 9751870
    Abstract: The invention relates to the use of a compound of formula I wherein A1 is phenyl or a five or six membered hereroaryl group, containing 1, 2 or 3 heteroatoms, selected from N or S; R1 is hydrogen, lower alkyl, halogen, lower alkyl substituted by halogen or cycloalkyl; A2 is phenyl; R2 is halogen, lower alkyl, lower alkyl substituted by halogen, lower alkoxy substituted by halogen, cyano, S-lower alkyl substituted by halogen, S(O)2-lower alkyl substituted by halogen; n is 1 or 2; or a pharmaceutically acceptable acid addition salt, or a racemic mixture or its corresponding enantiomer and/or optical isomers thereof, for the treatment of autism, stress, including post traumatic stress disorder, anxiety, including anxiety disorders and depression, schizophrenia, psychiatric disorders and memory loss, alcohol withdrawal, drug addiction and for the treatment of Prader-Willi Syndrome.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: September 5, 2017
    Assignee: HOFFMAN-LA ROCHE INC.
    Inventors: Caterina Bissantz, Christophe Grundschober, Matthias Nettekoven, Jean-Marc Plancher, Walter Vifian
  • Patent number: 9540397
    Abstract: The present invention provides a compound of formula I, having BACE1 inhibitory activity, their manufacture, pharmaceutical compositions containing them and their use as therapeutically active substances. The active compounds of the present invention are useful in the therapeutic and/or prophylactic treatment of e.g. Alzheimer's disease.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: January 10, 2017
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Bjoern Bartels, Philipp Cueni, Cosimo Dolente, Wolfgang Guba, Wolfgang Haap, Andreas Kuglstatter, Ulrike Obst Sander, Jens-Uwe Peters, Mark Rogers-Evans, Walter Vifian, Thomas Woltering
  • Patent number: 9346786
    Abstract: The present application relates to compounds of formula wherein R1, R2, R3, R4, and n are defined herein or to a pharmaceutically active salt thereof. The present compounds are high potential NK-3 receptor antagonists for the treatment of depression, pain, psychosis, Parkinson's disease, schizophrenia, anxiety and attention deficit hyperactivity disorder (ADHD).
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: May 24, 2016
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Henner Knust, Andreas Koblet, Matthias Nettekoven, Hasane Ratni, Claus Riemer, Walter Vifian
  • Publication number: 20160101102
    Abstract: The present invention relates to a compound of formula (IA), wherein G1 is lower alkyl; lower alkyl substituted by one or more halogens; cycloalkyl; tetrahydropyran-4-yl; phenethyl; phenethyl substituted by one or more halogens; phenoxymethyl; phenoxymethyl substituted by one or more halogens; benzyloxyethyl; benzyloxy-ethyl substituted by one or more halogens; or is —NR2R3; R2 is hydrogen or lower alkyl; R3 is lower alkyl; tetrahydropyran-4-yl; —CH2-cycloalkyl; or cycloalkyl optionally substituted by lower alkyl substituted by one or more halogens; or R2 and R3 form together with the N-atom to which they are attached a heterocycloalkyl group with 4 or 5 carbon atoms, which is optionally substituted by one or more substituents selected from halogen; or lower alkyl substituted by one or more halogens; X is —CH2— or —(CH2)2—; Ar is phenyl or pyridinyl; R4 is halogen; lower alkyl; lower alkyl substituted by one or more halogens; or lower alkoxy; n is 1 or 2; or to a pharmaceutically active salt thereof, to a ste
    Type: Application
    Filed: October 15, 2015
    Publication date: April 14, 2016
    Applicant: REMYND NV
    Inventors: Gerard Griffioen, Giuseppe Cecere, Matthias Nettekoven, Katrien Princen, Hasane Ratni, Mark Rogers-Evans, Walter Vifian
  • Publication number: 20160102105
    Abstract: The present invention provides a compound of formula I, having BACE1 inhibitory activity, their manufacture, pharmaceutical compositions containing them and their use as therapeutically active substances. The active compounds of the present invention are useful in the therapeutic and/or prophylactic treatment of e.g. Alzheimer's disease.
    Type: Application
    Filed: October 7, 2015
    Publication date: April 14, 2016
    Inventors: Bjoern Bartels, Philipp Cueni, Cosimo Dolente, Wolfgang Guba, Wolfgang Haap, Andreas Kuglstatter, Ulrike Obst Sander, Jens-Uwe Peters, Mark Rogers-Evans, Walter Vifian, Thomas Woltering
  • Patent number: 9226916
    Abstract: The present invention relates to compounds of formula wherein R1, R2, R3, R4, Z, and n are as defined herein or to a pharmaceutically active salt thereof. Compounds of the invention are high potential NK-3 receptor antagonists for the treatment of depression, pain, psychosis, Parkinson's disease, schizophrenia, anxiety and attention deficit hyperactivity disorder (ADHD).
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: January 5, 2016
    Assignee: HOFFMANN-LA ROCHE INC.
    Inventors: Henner Knust, Andreas Koblet, Matthias Nettekoven, Hasane Ratni, Claus Riemer, Walter Vifian
  • Patent number: 9187440
    Abstract: The present invention relates to a compound of formula (IA), wherein G1 is lower alkyl; lower alkyl substituted by one or more halogens; cycloalkyl; tetrahydropyran-4-yl; phenethyl; phenethyl substituted by one or more halogens; phenoxymethyl; phenoxymethyl substituted by one or more halogens; benzyloxyethyl; benzyloxy-ethyl substituted by one or more halogens; or is —NR2R3; R2 is hydrogen or lower alkyl; R3 is lower alkyl; tetrahydropyran-4-yl; —CH2-cycloalkyl; or cycloalkyl optionally substituted by lower alkyl substituted by one or more halogens; or R2 and R3 form together with the N-atom to which they are attached a heterocycloalkyl group with 4 or 5 carbon atoms, which is optionally substituted by one or more substituents selected from halogen; or lower alkyl substituted by one or more halogens; X is —CH2—or —(CH2)2—; Ar is phenyl or pyridinyl; R4 is halogen; lower alkyl; lower alkyl substituted by one or more halogens; or lower alkoxy; n is 1 or 2; or to a pharmaceutically active salt thereof, to a ster
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: November 17, 2015
    Assignee: REMYND NV
    Inventors: Gerard Griffioen, Giuseppe Cecere, Matthias Nettekoven, Katrien Princen, Hasane Ratni, Mark Rogers-Evans, Walter Vifian
  • Publication number: 20150322058
    Abstract: The invention relates to the use of a compound of formula I wherein A1 is phenyl or a five or six membered hereroaryl group, containing 1, 2 or 3 heteroatoms, selected from N or S; R1 is hydrogen, lower alkyl, halogen, lower alkyl substituted by halogen or cycloalkyl; A2 is phenyl; R2 is halogen, lower alkyl, lower alkyl substituted by halogen, lower alkoxy substituted by halogen, cyano, S-lower alkyl substituted by halogen, S(O)2-lower alkyl substituted by halogen; n is 1 or 2; or a pharmaceutically acceptable acid addition salt, or a racemic mixture or its corresponding enantiomer and/or optical isomers thereof, for the treatment of autism, stress, including post traumatic stress disorder, anxiety, including anxiety disorders and depression, schizophrenia, psychiatric disorders and memory loss, alcohol withdrawal, drug addiction and for the treatment of Prader-Willi Syndrome.
    Type: Application
    Filed: July 17, 2015
    Publication date: November 12, 2015
    Applicant: HOFFMANN-LA ROCHE INC.
    Inventors: Caterina Bissantz, Christophe Grundschober, Matthias Nettekoven, Jean-Marc Plancher, Walter Vifian