Patents by Inventor Gunnar Nordvall

Gunnar Nordvall 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).

  • Patent number: 8957215
    Abstract: The present invention relates to novel heteroaryl substituted benzothiazole derivatives, precursors thereof, and therapeutic uses for such compounds, having the structural formula (I) below: and to their pharmaceutically acceptable salt, compositions and methods of use. Furthermore, the invention relates to novel heteroaryl substituted benzothiazole derivatives that are suitable for imaging amyloid deposits in living patients, their compositions, methods of use and processes to make such compounds. More specifically, the present invention relates to a method of imaging amyloid deposits in brain in vivo to allow antemortem diagnosis of Alzheimer's disease as well as measuring clinical efficacy of Alzheimer's disease therapeutic agents.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: February 17, 2015
    Assignee: Navidea Biopharmaceuticals, Inc.
    Inventors: Ylva Gravenfors, Catrin Jonasson, Jonas Malmstrom, Gunnar Nordvall, David Pyring, Can Slivo, Daniel Sohn, Peter Strom, David Wensbo
  • Patent number: 8859534
    Abstract: The present invention relates to compounds of formula (I), wherein R1 is heteroaryl or heterocyclyl, optionally substituted; R2 is C1-4alkyl, heterocyclyl, C1-4alkylaryl, C1-4alkylheteroaryl, carbocyclyl, C1-4alkylheterocyclyl, heterocyclyl-heteroaryl, aryl-heterocyclyl, carbocyclyl-heteroaryl, heterocyclyl-aryl, optionally substituted; R3 is hydrogen or C1-4alkyl, or R2 and R3 may together with the nitrogen atom, form a saturated ring system containing 4, 5 or 6 ring forming atoms, and optionally substituted; R4 is hydrogen, halogen, methyl or methoxy; to pharmaceutical composition containing said compounds and to the use of said compounds in therapy, for instance in treating cognitive disorders. The present invention further relates to new intermediates useful in the preparation thereof.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: October 14, 2014
    Assignee: Acturum Life Science AB
    Inventors: Johan Andersson, Helena Gyback, Anh Johansson, Christian Erik Linde, Jonas Malmstrom, Gunnar Nordvall, Tatjana Weigelt, Gitte Terp
  • Patent number: 8367676
    Abstract: The present invention relates to compounds of formula (I), wherein R1 is heteroaryl or heterocyclyl, optionally substituted; R2 is C1-4alkyl, heterocyclyl, C1-4alkylaryl, C1-4alkylheteroaryl, carbocyclyl, C1-4alkylheterocyclyl, heterocyclyl-heteroaryl, aryl-heterocyclyl, carbocyclyl-heteroaryl, heterocyclyl-aryl, optionally substituted; R3 is hydrogen or C1-4alkyl, or R2 and R3 may together with the nitrogen atom, form a saturated ring system containing 4, 5 or 6 ring forming atoms, and optionally substituted; R4 is hydrogen, halogen, methyl or methoxy; to pharmaceutical composition containing said compounds and to the use of said compounds in therapy, for instance in treating cognitive disorders. The present invention further relates to new intermediates useful in the preparation thereof.
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: February 5, 2013
    Assignee: AstraZeneca AB
    Inventors: Johan Andersson, Helena Gybäck, Anh Johansson, Christian Erik Linde, Jonas Malmström, Gunnar Nordvall, Tatjana Weigelt, Gitte Terp
  • Publication number: 20120207679
    Abstract: The present invention relates to novel heteroaryl substituted benzothiazole derivatives, precursors thereof, and therapeutic uses for such compounds, having the structural formula (I) below: and to their pharmaceutically acceptable salt, compositions and methods of use. Furthermore, the invention relates to novel heteroaryl substituted benzothiazole derivatives that are suitable for imaging amyloid deposits in living patients, their compositions, methods of use and processes to make such compounds. More specifically, the present invention relates to a method of imaging amyloid deposits in brain in vivo to allow antemortem diagnosis of Alzheimer's disease as well as measuring clinical efficacy of Alzheimer's disease therapeutic agents.
    Type: Application
    Filed: April 23, 2012
    Publication date: August 16, 2012
    Applicant: ASTRAZENECA AB
    Inventors: Ylva Gravenfors, Catrin Jonasson, Jonas Malmström, Gunnar Nordvall, David Pyring, Can Slivo, Daniel Sohn, Peter Ström, David Wensbo
  • Patent number: 8236951
    Abstract: There is disclosed the use of a compound of formula (Ia) or (Ib) wherein R1, R2, R3, R4, X and Y are as defined in the specification, and pharmaceutically acceptable salts thereof, in the manufacture of a medicament, for the treatment or prophylaxis of diseases or conditions in which inhibition of the enzyme myeloperoxidase (MPO) is beneficial. Certain novel compounds of formula (Ia) or (Ib) and pharmaceutically acceptable salts thereof are disclosed, together with processes for their preparation. The compounds of formulae (Ia) and (Ib) are MPO inhibitors and are thereby particularly useful in the treatment or prophylaxis of neuroinflammatory disorders.
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: August 7, 2012
    Assignee: AstraZeneca AB
    Inventors: Sverker Hanson, Gunnar Nordvall, Anna-Karin Tiden
  • Patent number: 8163928
    Abstract: The present invention relates to novel heteroaryl substituted benzothiazole derivatives, precursors thereof, and therapeutic uses for such compounds, having the structural formula (I) below: [Chemical formula should be inserted here. Please see paper copy] and to their pharmaceutically acceptable salt, compositions and methods of use. Furthermore, the invention relates to novel heteroaryl substituted benzothiazole derivatives that are suitable for imaging amyloid deposits in living patients, their compositions, methods of use and processes to make such compounds. More specifically, the present invention relates to a method of imaging amyloid deposits in brain in vivo to allow antemortem diagnosis of Alzheimer's disease as well as measuring clinical efficacy of Alzheimer's disease therapeutic agents.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: April 24, 2012
    Assignee: AstraZeneca AB
    Inventors: Ylva Gravenfors, Catrin Jonasson, Jonas Malmstrom, Gunnar Nordvall, David Pyring, Can Slivo, Daniel Sohn, Peter Strom, David Wensbo
  • Patent number: 8158785
    Abstract: There are disclosed novel 5-substituted 7-amino-[1,3]thiazolo[4,5-d]pyrimidine derivatives of formula (I) wherein R1, R2, R3, R4 and n are as defined in the specification, and pharmaceutically acceptable salts thereof, together with processes for their preparation, pharmaceutical compositions comprising them and their use in therapy. The compounds of formula (I) are CX3CR1 receptor antagonists and are thereby particularly useful in the treatment or prophylaxis of neurodegenerative disorders, demyelinating disease, cardio- and cerebrovascular atherosclerotic disorders, peripheral artery disease, rheumatoid arthritis, pulmonary diseases such as COPD, asthma or pain.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: April 17, 2012
    Assignee: AstraZeneca AB
    Inventors: Rolf Johansson, Sofia Karlstrom, Annika Kers, Gunnar Nordvall, Tobias Rein, Can Slivo
  • Patent number: 8088780
    Abstract: There are disclosed novel 5,7-disubstituted [1,3]thiazolo[4,5-d]pyrimidin-2(3H)-one derivatives of formula (I) wherein R1, R2, R3, R4 and R5 are as defined in the specification, and pharmaceutically acceptable salts thereof, together with processes for their preparation, pharmaceutical compositions comprising them and their use in therapy. The compounds of formula (I) are CX3CR1 receptor antagonists and are thereby particularly useful in the treatment or prophylaxis of neurodegenerative disorders, demyelinating disease, cardio- and cerebrovascular atherosclerotic disorders, peripheral artery disease, rheumatoid arthritis, pulmonary diseases such as COPD, asthma or pain.
    Type: Grant
    Filed: April 3, 2006
    Date of Patent: January 3, 2012
    Assignee: AstraZeneca AB
    Inventors: Gunnar Nordvall, Colin Ray, Tobias Rein, Daniel Sohn
  • Patent number: 7960395
    Abstract: There are disclosed novel 5,7-disubstituted [1,3]thiazolo[4,5-d]pyrimidin-2(3H)-one derivatives of formula (I) wherein R1, R2, R3, R4 and n are as defined in the specification, and pharmaceutically acceptable salts thereof, together with processes for their preparation, pharmaceutical compositions comprising them and their use in therapy. The compounds of formula (I) are CX3CR1 receptor antagonists and are thereby particularly useful in the treatment or prophylaxis of neurodegenerative disorders, demyelinating disease, cardio- and cerebrovascular atherosclerotic disorders, peripheral artery disease, rheumatoid arthritis, pulmonary diseases such as COPD, asthma or pain.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: June 14, 2011
    Assignee: AstraZeneca AB
    Inventors: Rolf Johansson, Sofia Karlström, Annika Kers, Gunnar Nordvall, Tobias Rein, Can Slivo
  • Patent number: 7947693
    Abstract: There are disclosed novel 5-substituted 7-amino-[1,3]thiazolo[4,5-d]pyrimidine derivatives of formula (I) wherein R1, R2, R3, R4 and R5 are as defined in the specification, and pharmaceutically acceptable salts thereof, together with processes for their preparation, pharmaceutical compositions comprising them and their use in therapy. The compounds of formula (I) are CX3CR1 receptor antagonists and are thereby particularly useful in the treatment or prophylaxis of neurodegenerative disorders, demyelinating disease, cardio- and cerebrovascular atherosclerotic disorders, peripheral artery disease, rheumatoid arthritis, pulmonary diseases such as COPD, asthma or pain.
    Type: Grant
    Filed: April 3, 2006
    Date of Patent: May 24, 2011
    Assignee: AstraZeneca AB
    Inventors: Gunnar Nordvall, Colin Ray, Tobias Rein, Daniel Sohn
  • Publication number: 20110105537
    Abstract: There are disclosed novel 5,7-disubstituted [1,3]thiazolo[4,5-d]pyrimidin-2(3H)-one derivatives of formula (I) wherein R1, R2, R3, R4 and n are as defined in the specification, and pharmaceutically acceptable salts thereof, together with processes for their preparation, pharmaceutical compositions comprising them and their use in therapy. The compounds of formula (I) are CX3CR1 receptor antagonists and are thereby particularly useful in the treatment or prophylaxis of neurodegenerative disorders, demyelinating disease, cardio- and cerebrovascular atherosclerotic disorders, peripheral artery disease, rheumatoid arthritis, pulmonary diseases such as COPD, asthma or pain.
    Type: Application
    Filed: January 19, 2011
    Publication date: May 5, 2011
    Applicant: AstraZeneca AB
    Inventors: Rolf Johansson, Sofia Karlström, Annika Kers, Gunnar Nordvall, Tobias Rein, Can Slivo
  • Publication number: 20110092519
    Abstract: There are disclosed novel 5-substituted 7-amino-[1,3]thiazolo[4,5-d]pyrimidine derivatives of formula (I) wherein R1, R2, R3, R4 and R5 are as defined in the specification, and pharmaceutically acceptable salts thereof, together with processes for their preparation, pharmaceutical compositions comprising them and their use in therapy. The compounds of formula (I) are CX3CR1 receptor antagonists and are thereby particularly useful in the treatment or prophylaxis of neurodegenerative disorders, demyelinating disease, cardio- and cerebrovascular atherosclerotic disorders, peripheral artery disease, rheumatoid arthritis, pulmonary diseases such as COPD, asthma or pain.
    Type: Application
    Filed: December 28, 2010
    Publication date: April 21, 2011
    Applicant: AstraZeneca AB
    Inventors: Gunnar Nordvall, Colin Ray, Tobias Rein, Daniel Sohn
  • Publication number: 20110021540
    Abstract: The invention provides compounds of formula wherein R1, R3, L1, L2, G1, G2, A and m are as defined in the specification and optical isomers, racemates and tautomers thereof, and pharmaceutically acceptable salts thereof; together with processes for their preparation, pharmaceutical compositions containing them and their use in therapy. The compounds are inhibitors of microsomal prostaglandin E synthase-1.
    Type: Application
    Filed: November 14, 2008
    Publication date: January 27, 2011
    Applicant: ASTRAZENECA AB
    Inventors: Johan Bylund, Maria Ek, Jorg Holenz, Martin H. Johansson, Annika Kers, Katja Narhi, Gunnar Nordvall, Liselotte Ohberg, Daniel Sohn, Jenny Viklund, Stefan Von Berg
  • Publication number: 20100331321
    Abstract: The invention provides compounds of formula (I) wherein R1,R3,L1,L2,G1,G2, A and m are as defined in the specification and optical isomers, racemates and tautomers thereof, and pharmaceutically acceptable salts thereof; together with processes for their preparation, pharmaceutical compositions containing them and their use in therapy. The compounds are inhibitors of microsomal prostaglandin E synthase-1.
    Type: Application
    Filed: December 18, 2008
    Publication date: December 30, 2010
    Applicant: ASTRAZENECA AB
    Inventors: Johan Bylund, Maria E. Ek, Ylva Gravenfors, Jorg Holenz, Alexander Minidis, Gunnar Nordvall, Daniel Sohn, Karl S.A. Vallin, Jenny Viklund, Stefan Von Berg
  • Publication number: 20100331341
    Abstract: The present invention relates to compounds of formula (I), wherein R1 is heteroaryl or heterocyclyl, optionally substituted; R2 is C1-4alkyl, heterocyclyl, C1-4alkylaryl, C1-4alkylheteroaryl, carbocyclyl, C1-4alkylheterocyclyl, heterocyclyl-heteroaryl, aryl-heterocyclyl, carbocyclyl-heteroaryl, heterocyclyl-aryl, optionally substituted; R3 is hydrogen or C1-4alkyl, or R2 and R3 may together with the nitrogen atom, form a saturated ring system containing 4, 5 or 6 ring forming atoms, and optionally substituted; R4 is hydrogen, halogen, methyl or methoxy; to pharmaceutical composition containing said compounds and to the use of said compounds in therapy, for instance in treating cognitive disorders. The present invention further relates to new intermediates useful in the preparation thereof.
    Type: Application
    Filed: June 28, 2010
    Publication date: December 30, 2010
    Applicant: ASTRAZENECA AB
    Inventors: Johan ANDERSSON, Helena GYBÄCK, Anh JOHANSSON, Christian Erik LINDE, Jonas MALMSTRÖM, Gunnar NORDVALL, Tatjana WEIGELT, Gitte TERP
  • Publication number: 20100173890
    Abstract: The present invention relates to new compounds of formula I, or salts, solvates or solvated salts thereof, process for their preparation and to new intermediates used in the preparation thereof, pharmaceutical compositions containing said compounds and to the use of said compounds in the treatment of 5-HT6 mediated disorders such as Alzheimer's disease, cognitive disorders, cognitive impairment associated with schizophrenia, obesity and Parkinson's disease.
    Type: Application
    Filed: July 3, 2006
    Publication date: July 8, 2010
    Applicant: AstraZeneca AB
    Inventors: Gunnar Nordvall, Fernando Sehgelmeble
  • Publication number: 20100105657
    Abstract: The present invention relates to new compounds of formula (I), or salts, solvates or solvated salts thereof, process for their preparation and to new intermediates used in the preparation thereof, pharmaceutical compositions containing said compounds and to the use of said compounds in the treatment of 5-HT6 mediated disorders such as Alzheimer's disease, cognitive disorders, cognitive impairment associated with schizophrenia, obesity and Parkinson's disease.
    Type: Application
    Filed: July 3, 2006
    Publication date: April 29, 2010
    Applicant: AstraZeneca AB
    Inventors: Gunnar Nordvall, Carl Petersson, Fernando Sehgelmeble
  • Publication number: 20100035899
    Abstract: There are disclosed novel 5-substituted 7-amino-[1,3]thiazolo[4,5-d]pyrimidine derivatives of formula (I) wherein R1, R2, R3, R4 and n are as defined in the specification, and pharmaceutically acceptable salts thereof, together with processes for their preparation, pharmaceutical compositions comprising them and their use in therapy. The compounds of formula (I) are CX3CR1 receptor antagonists and are thereby particularly useful in the treatment or prophylaxis of neurodegenerative disorders, demyelinating disease, cardio- and cerebrovascular atherosclerotic disorders, peripheral artery disease, rheumatoid arthritis, pulmonary diseases such as COPD, asthma or pain.
    Type: Application
    Filed: September 27, 2007
    Publication date: February 11, 2010
    Applicant: ASTRAZENECA AB
    Inventors: Rolf Johansson, Sofia Karlstrom, Annika Kers, Gunnar Nordvall, Tobias Rein, Can Slivo
  • Publication number: 20090281138
    Abstract: The invention provides compounds of formula wherein R1, R3, L1, L2, G1, G2, A and m are as defined in the specification and optical isomers, racemates and tautomers thereof, and pharmaceutically acceptable salts thereof; together with processes for their preparation, pharmaceutical compositions containing them and their use in therapy. The compounds are inhibitors of microsomal prostaglandin E synthase-1.
    Type: Application
    Filed: November 14, 2008
    Publication date: November 12, 2009
    Applicant: AstraZeneca AB
    Inventors: Johan Bylund, Marie E. Ek, Annika Kers, Gunnar Nordvall, Liselotte Ohberg, Jenny Viklund, Stefan Von Berg, Jorg Holenz, Katja Narhi, Daniel Sohn, Martin H. Johansson
  • Publication number: 20090247555
    Abstract: There are disclosed novel 5,7-disubstituted [1,3]thiazolo[4,5-d]pyrimidin-2(3H)-one derivatives of formula (I) wherein R1, R2, R3, R4, R5, R6, and R7 are as defined in the specification, and pharmaceutically acceptable salts thereof, together with processes for their preparation, pharmaceutical compositions comprising them and their use in therapy. The compounds of formula (I) are CX3CR1 receptor antagonists and are thereby particularly useful in the treatment or prophylaxis of neurodegenerative disorders, demyelinating disease, cardio- and cerebrovascular atherosclerotic disorders, peripheral artery disease, rheumatoid arthritis, is pulmonary diseases such as COPD, asthma or pain.
    Type: Application
    Filed: March 26, 2009
    Publication date: October 1, 2009
    Applicant: AstraZeneca AB
    Inventors: Mikael Dahlstrom, Gunnar Nordvall, Tobias Rein, Ingemar Starke