Patents by Inventor Hans Grönlund

Hans Grönlund 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: 20230310608
    Abstract: The present invention provides an in vitro method for the manufacture of a dendritic cell (DC) cancer vaccine, said method comprising the steps of: (i) providing a plurality of phagocytosable particles, wherein each phagocytosable particle comprises a core and an antigenic construct tightly associated to the core, wherein the antigenic construct comprises at least one epitope peptide having an amino acid sequence corresponding to an amino acid sequence of a part of a protein or peptide known or suspected to be expressed by a cancer cell in a subject; (ii) providing a sample of DCs; and (iii) contacting the sample of DCs with the plurality of phagocytosable particles in vitro and under conditions allowing for the phagocytosis of at least one phagocytosable particle by a DC. The present invention also provides a DC cancer vaccine produced by the method of the invention, and the use a DC cancer vaccine of the invention as a medicament and for the ex vivo expansion of anticancer T-cells.
    Type: Application
    Filed: July 1, 2021
    Publication date: October 5, 2023
    Applicant: TCER ONCOLOGY AB
    Inventors: Hans GRÖNLUND, Rolf KIESSLING, Stina WICKSTRÖM
  • Publication number: 20220381771
    Abstract: Methods for assaying antigen-specific T-cell activation in vitro, comprising the steps of (a) providing a phagocytable particle, having a candidate antigen polypeptide tightly associated thereto, wherein the particle with the associated polypeptide has been subjected to a denaturing wash resulting in an endotoxin level low enough to not interfere with the subsequent steps; (b) providing a viable antigen-presenting cell; (c) contacting the washed particle with the antigen-presenting cell under conditions allowing phagocytosis of the particle by the antigen-presenting cell; (d) providing a T-cell sample to be assayed comprising viable T-cells; (e) contacting the T-cell sample with the antigen-presenting cell contacted with the particle under conditions allowing specific activation of T-cells in response to an antigen presented by an antigen-presenting cell; and (f) determining the degree of T-cell activation in the T-cell sample.
    Type: Application
    Filed: June 13, 2022
    Publication date: December 1, 2022
    Inventor: Hans Grönlund
  • Patent number: 11360079
    Abstract: Methods for assaying antigen-specific T-cell activation in vitro, comprising the steps of (a) providing a phagocytable particle, having a candidate antigen polypeptide tightly associated thereto, wherein the particle with the associated polypeptide has been subjected to a denaturing wash resulting in an endotoxin level low enough to not interfere with the subsequent steps; (b) providing a viable antigen-presenting cell; (c) contacting the washed particle with the antigen-presenting cell under conditions allowing phagocytosis of the particle by the antigen-presenting cell; (d) providing a T-cell sample to be assayed comprising viable T-cells; (e) contacting the T-cell sample with the antigen-presenting cell contacted with the particle under conditions allowing specific activation of T-cells in response to an antigen presented by an antigen-presenting cell; and (f) determining the degree of T-cell activation in the T-cell sample.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: June 14, 2022
    Assignee: NEOGAP Therapeutics AB
    Inventor: Hans Grönlund
  • Publication number: 20210087246
    Abstract: A tolerogenic composition for use in a method of treatment for multiple sclerosis (MS) in a MS patient exhibiting T-cell autoreactivity against an endogenous epitope corresponding to a T-cell epitope comprised in the amino-acid sequence of SEQ ID NO: 5, the composition comprising a therapeutic T-cell epitope comprising a sequence of 8 consecutive amino acid residues differing from a sub-sequence of SEQ ID NO: 5 by 0-2 residue substitutions, deletions and/or insertions, or the composition comprising a nucleic acid encoding said therapeutic T-cell epitope.
    Type: Application
    Filed: March 29, 2018
    Publication date: March 25, 2021
    Inventors: Hans Grönlund, Mattias Bronge
  • Publication number: 20200309764
    Abstract: Methods for assaying antigen-specific T-cell activation in vitro, comprising the steps of (a) providing a phagocytable particle, having a candidate antigen polypeptide tightly associated thereto, wherein the particle with the associated polypeptide has been subjected to a denaturing wash resulting in an endotoxin level low enough to not interfere with the subsequent steps; (b) providing a viable antigen-presenting cell; (c) contacting the washed particle with the antigen-presenting cell under conditions allowing phagocytosis of the particle by the antigen-presenting cell; (d) providing a T-cell sample to be assayed comprising viable T-cells; (e) contacting the T-cell sample with the antigen-presenting cell contacted with the particle under conditions allowing specific activation of T-cells in response to an antigen presented by an antigen-presenting cell; and (f) determining the degree of T-cell activation in the T-cell sample.
    Type: Application
    Filed: December 15, 2016
    Publication date: October 1, 2020
    Inventor: Hans Grönlund
  • Publication number: 20200140813
    Abstract: The invention provides a method for the expansion of anti-tumor T-cells, comprising the steps of: a) providing a phagocytosable particle, having one or more tumor neoantigenic constructs tightly associated thereto, wherein the tumor neoantigenic construct comprises an amino-acid sequence comprising at least one mutated amino acid known or suspected to be associated with a cancer in a subject, or a mutated or non-mutated amino-acid sequence known or suspected to be expressed in a cancer cell in the subject; b) providing a viable antigen-presenting cell; c) contacting the particle with the antigen-presenting cell in vitro under conditions allowing phagocytosis of the particle by the antigen-presenting cell; d) providing a T-cell sample comprising viable T-cells from the subject; e) contacting the T-cell sample with the antigen-presenting cell contacted with the particle in vitrounder conditions allowing specific activation of anti-tumor T-cells in response to antigen presented by the antigen-presenting cell.
    Type: Application
    Filed: June 21, 2018
    Publication date: May 7, 2020
    Inventor: Hans GRÖNLUND
  • Patent number: 9296828
    Abstract: The present invention relates to a hypoallergenic protein consisting of at least one hypoallergenic molecule derived from an allergen, which is fused or conjugated to at least one second non-allergenic protein or fragment thereof.
    Type: Grant
    Filed: June 11, 2007
    Date of Patent: March 29, 2016
    Assignee: BIOMAY AG
    Inventors: Rudolf Valenta, Margarete Focke-Tejkl, Birgit Linhart, Susanne Vrtala, Peter Valent, Renate Reininger, Susanne Spitzauer, Ines Swoboda, Marianne Van Hage, Hans Grönlund, Johanna Tinhofer, Kerstin Westritschnig, Theresia Popow-Kraupp
  • Patent number: 8454964
    Abstract: Microparticles are disclosed which comprise a bead essentially consisting of a cross-linked carbohydrate and an antigen covalently linked thereto. The microparticle can be used for the treatment of disorders of the immune system and in diagnostic tests.
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: June 4, 2013
    Assignee: Biomay AG
    Inventors: Hans Groenlund, Johan Roennelid, Alex Karlsson-Parra, Marianne Van Hage-Hamsten, Rudolf Valenta, Susanne Vrtala, Ursula Wiedermann, Dietrich Kraft
  • Patent number: 8440200
    Abstract: Methods for desensitization of a mammal suffering from IgE mediated allergy comprise the steps of: administering to said mammal a therapeutically effective amount of an immunogenic and hypoallergenic composition which comprises (i) a Phl p 6 molecule having an N-terminal truncation which makes the molecule at least lack IgE binding capacity, and/or (ii) a Phl p 6 molecule having a C-terminal truncation which makes the molecule at least lack IgE binding capacity, wherein the molecules of (i) and (ii), if employed in combination, together span the complete sequence of Phl p 6, and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: May 14, 2013
    Assignee: Phadia AB
    Inventors: Rudolf Valenta, Susanne Vrtala, Sabine Stumvoll, Hans Grönlund, Monika Grote, Luca Vangelista, Annalisa Pastore, Wolfgang R. Sperr, Peter Valent, Dietrich Kraft
  • Publication number: 20100278836
    Abstract: Low levels of antibodies reactive with a PAF-conjugate are related to an increased risk of developing cardiovascular diseases. Thus, compositions and methods of diagnosis and therapy for cardiovascular diseases are provided.
    Type: Application
    Filed: October 29, 2008
    Publication date: November 4, 2010
    Applicant: ATHERA BIOTECHNOLOGIES AB
    Inventors: Hans Grönlund, Johan Frostegard, Ingrid Dahlbom
  • Publication number: 20090324501
    Abstract: The present invention relates to a hypoallergenic protein consisting of at least one hypoallergenic molecule derived from an allergen, which is fused or conjugated to at least one second non-allergenic protein or fragment thereof.
    Type: Application
    Filed: June 11, 2007
    Publication date: December 31, 2009
    Applicant: Biomay AG
    Inventors: Rudolf Valenta, Margarete Focke-Tejkl, Birgit Linhart, Susanne Vrtala, Peter Valent, Renat Reininger, Susanne Spitzauer, Ines Swoboda, Marianne Van Hage, Hans Grönlund, Johanna Tinhofer, Kerstin Westritschnig, Theresia Popow-Kraupp
  • Patent number: 7482009
    Abstract: The invention relates to a hypoallergenic immunogenic molecule derived from the Phl p 6 allergen, wherein the Phl p6 molecule has an N-terminal and/or C-terminal deletion which makes the molecule at least substantially lack IgE binding capacity. The invention also relates to a hypoallergenic immunogenic combination of molecules derived from the Phl p 6 allergen, comprising (i) a Phl p 6 molecule having an N-terminal deletion which makes the molecule at least substantially lack IgE binding capacity, and (ii) a Phl p 6 molecule having a C-terminal deletion which makes the molecule at least substantially lack IgE binding capacity, which two molecules together encompass the complete sequence of Phl p 6. The invention further relates to the use of the hypoallergenic immunogenic molecule or molecule mixture in hyposensitization and diagnosis.
    Type: Grant
    Filed: May 10, 2002
    Date of Patent: January 27, 2009
    Assignee: Phadia AB
    Inventors: Rudolf Valenta, Susanne Vrtala, Sabine Stummfoll, Hans Grönlund, Monika Grote, Luca Vangelista, Annalisa Pastore, Wolfgang R. Sperr, Peter Valent, Dietrich Kraft
  • Patent number: 7482010
    Abstract: The invention relates to a hypoallergenic immunogenic molecule derived from the Phl p 6 allergen, wherein the Phl p 6 molecule has an N-terminal and/or C-terminal deletion which makes the molecule at least substantially lack IgE binding capacity. The invention also relates to a hypoallergenic immunogenic combination of molecules derived from the Phl p 6 allergen, comprising (i) a Phl p 6 molecule having an N-terminal deletion which makes the molecule at least substantially lack IgE binding capacity, and (ii) a Phl p 6 molecule having a C-terminal deletion which makes the molecule at least substantially lack IgE binding capacity, which two molecules together encompass the complete sequence of Phl p 6. The invention further relates to the use of the hypoallergenic immunogenic molecule or molecule mixture in hyposensitization and diagnosis.
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: January 27, 2009
    Assignee: Phadia AB
    Inventors: Rudolf Valenta, Susanne Vrtala, Sabine Stummfoll, Hans Grönlund, Monika Grote, Luca Vangelista, Annalisa Pastore, Wolfgang R. Sperr, Peter Valent, Dietrich Kraft
  • Patent number: 7108858
    Abstract: The present invention is drawn to an immunogen derived from a protein allergen, which is a) a non-anaphylactic immunogenic recombinant fragment of the protein allergen which contains an IgG epitope partly but not wholly overlapping an IgE epitope of the protein allergen; b) a polymeric form of the fragment, in which the fragment constitutes the monomeric units; or c) a non-anaphylactic recombinant polymeric form of the protein allergen having 2–10 monomeric units, in which the protein allergen constitutes the monomeric units. The present invention is further drawn to the use of the immunogen for in vitro diagnoses of type I allergy and hyposensitization.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: September 19, 2006
    Assignee: Pharmacia Diagnostics AB
    Inventors: Rudolf Valenta, Susanne Vrtala, Luca Vangelista, Hans-Georg Eichler, Wolfgang R. Sperr, Peter Valent, Christof Ebner, Dietrich Kraft, Hans Grönlund
  • Patent number: 6986889
    Abstract: The present invention relates to a novel drug candidate having a potential for universal therapy of allergy and asthma. The invention provides a Fab (antibody fragment), having the following characteristics: a) inhibits the IgE-Fc?RI interaction; b) binds to free and cell-bound IgE; and c) is non-anaphylactic.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: January 17, 2006
    Assignee: Pharmacia Diagnostics AB
    Inventors: Sylvia Laffer, Erik Högbom, Kenneth H. Roux, Jonas Adriansson, Wolfgang R. Sperr, Peter Valent, Dietrich Kraft, Hans Grönlund, Rudolf Valenta
  • Patent number: 6572859
    Abstract: The invention relates to a hypoallergenic immunogenic molecule derived from the Phl p 6 allergen, wherein the Phl p6 molecule has an N-terminal and/or C-terminal deletion which makes the molecule at least substantially lack IgE binding capacity. The invention also relates to a hypoallergenic immunogenic combination of molecules derived from the Phl p 6 allergen, comprising (i) a Phl p 6 molecule having an N-terminal deletion which makes the molecule at least substantially lack IgE binding capacity, and (ii) a Phl p 6 molecule having a C-terminal deletion which makes the molecule at least substantially lack IgE binding capacity, which two molecules together encompass the complete sequence of Phl p 6. The invention further relates to the use of the hypoallergenic immunogenic molecule or molecule mixture in hyposensitization and diagnosis.
    Type: Grant
    Filed: October 26, 2000
    Date of Patent: June 3, 2003
    Assignees: Pharmacia Diagnostics AB
    Inventors: Rudolf Valenta, Susanne Vrtala, Sabine Stummfoll, Hans Grönlund, Monika Grote, Luca Vangelista, Annalisa Pastore, Wolfgang R. Sperr, Peter Valent, Dietrich Kraft
  • Patent number: RE42324
    Abstract: The present invention relates to a novel drug candidate having a potential for universal therapy of allergy and asthma. The invention provides a Fab (antibody fragment), having the following characteristics: a) inhibits the IgE-Fc?RI interaction; b) binds to free and cell-bound IgE; and c) is non-anaphylactic.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: May 3, 2011
    Assignee: Phadia AB
    Inventors: Sylvia Laffer, Erik Hogbom, Kenneth H. Roux, Jonas Adriansson, Wolfgang R. Sperr, Peter Valent, Dietrich Kraft, Hans Grönlund, Rudolf Valenta