Patents by Inventor Kai Dallmeier

Kai Dallmeier 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: 20230406889
    Abstract: The invention relates to polynucleotides comprising the sequence of a flavivirus preceded by a sequence encoding an N terminal part of a flavivirus Capsid protein, an immunogenic protein, or a part thereof comprising a an immunogenic peptide, and a 2A cleaving peptide, and to the virus encoded by such sequences. The invention further relates to the use of such polynucleotides and viruses as vaccines.
    Type: Application
    Filed: May 5, 2023
    Publication date: December 21, 2023
    Applicant: Katholieke Universiteit Leuven
    Inventors: Robbert Boudewijns, Kai Dallmeier, Johan Neyts
  • Publication number: 20230241201
    Abstract: The invention relates to polynucleotides comprising a sequence of a live, infectious, attenuated Flavivirus wherein a nucleotide sequence encoding the S1 and S2 subunits of a coronavirus Spike protein is located, such that a chimeric virus is expressed.
    Type: Application
    Filed: March 1, 2021
    Publication date: August 3, 2023
    Inventors: Kai DALLMEIER, Johan NEYTS, Lorena SANCHEZ FELIPE, Hendrik, Jan THIBAUT, Dominique VAN LOOVEREN, Thomas VERCRUYSSE
  • Patent number: 11680084
    Abstract: The invention relates to polynucleotides comprising the sequence of a flavivirus preceded by a sequence encoding an N terminal part of a flavivirus Capsid protein, an immunogenic protein, or a part thereof comprising a an immunogenic peptide, and a 2A cleaving peptide, and to the virus encoded by such sequences. The invention further relates to the use of such polynucleotides and viruses as vaccines.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: June 20, 2023
    Assignee: KATHOLIEKE UNIVERSITEIT LEUVEN
    Inventors: Robbert Boudewijns, Kai Dallmeier, Johan Neyts
  • Publication number: 20230183718
    Abstract: Provided herein are methods for the production of a vector with a size of at least 16 kb from bacterial cells comprising the consecutive steps of a) obtaining bacterial cells comprising a vector with a size of at least 16 kb, comprising an inducible origin of replication, b) inoculating culture medium with the bacterial cells comprising the vector, c) culturing the bacterial cells in the culture medium, d) adding one or more inducers of said inducible origin of replication to the culture medium when the bacterial culture has reached an optical density at 600 nm (OD600) of at least 20, e) further culturing the bacterial cells in the culture medium, f) optionally separating the bacterial cells from the culture medium, and g) recovering the plasmid from the bacterial cells. Also provided herein are vectors with a size of at least 16 kb comprising an inducible origin of replication for use in such methods.
    Type: Application
    Filed: September 25, 2020
    Publication date: June 15, 2023
    Applicant: Katholieke Universiteit Leuven
    Inventors: Melody Janssen, Joeri Auwerx, Kai Dallmeier, Nicolas Ongenae, Cédric Vansalen, Nesya Goris
  • Patent number: 11566025
    Abstract: The present invention relates to a series of novel compounds, methods to prevent or treat viral infections in animals by using the novel compounds and to said novel compounds for use as a medicine, more preferably for use as a medicine to treat or prevent viral infections, particularly infections with RNA viruses, more particularly infections with viruses belonging to the family of the Flaviviridae, and yet more particularly infections with the Dengue virus. The present invention furthermore relates to pharmaceutical compositions or combination preparations of the novel compounds, to the compositions or preparations for use as a medicine, more preferably for the prevention or treatment of viral infections. The invention also relates to processes for preparation of the compounds.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: January 31, 2023
    Assignee: Katholieke Universiteit Leuven
    Inventors: Dorothée Bardiot, Gunter Carlens, Kai Dallmeier, Suzanne Kaptein, Mohamed Koukni, Arnaud Marchand, Johan Neyts, Wim Smets
  • Publication number: 20220402976
    Abstract: The present invention relates to polynucleotides comprising a sequence of a live, infectious, attenuated Flavivirus wherein a nucleotide sequence encoding at least a part of a Filovirus glycoprotein is located at the intergenic region between the E and NS1 gene of said Flavivirus, such that a chimeric virus is expressed, characterised in that the encoded sequence C terminally of the E protein of said Flavivirus and N terminally of the signal peptide of the NS1 protein of said Flavivirus comprises in the following order: a further signal peptide of a Flavivirus NS1 protein, a filovirus glycoprotein wherein the N terminal signal peptide is absent, a TM domain of a flaviviral E protein.
    Type: Application
    Filed: September 4, 2020
    Publication date: December 22, 2022
    Inventors: Kai DALLMEIER, Lorena SANCHEZ FELIPE, Viktor LEMMENS, Johan NEYTS
  • Publication number: 20220378903
    Abstract: The present invention relates to polynucleotides comprising a sequence of a live, infectious, attenuated Flavivirus wherein a nucleotide sequence encoding at least a part of a arenavirus glycoprotein protein is located at the intergenic region between the E and NS1 gene of said Flavivirus, such that a chimeric virus is expressed, characterised in that the encoded sequence C terminally of the E protein of said Flavivirus and N terminally of the signal peptide of the NS1 protein of said Flavivirus comprises in the following order:—a further signal peptide of a Flavivirus NS1 protein,—an arenavirus Glycoprotein protein lacking the N terminal signal sequence and the GP2 transmembrane domain,—a TM1 and TM2 domain of a flaviviral E protein.
    Type: Application
    Filed: September 11, 2020
    Publication date: December 1, 2022
    Inventors: Kai DALLMEIER, Viktor LEMMENS, Johan NEYTS, Lorena SANCHEZ FELIPE
  • Patent number: 11351240
    Abstract: The present invention relates to chimeric yellow fever—Zika strains and attenuated versions thereof, wherein the nucleotide sequence encoding the signal sequence and prME protein of said yellow virus is replaced by a nucleotide sequence encoding the signal sequence and the prME protein of a Zika virus.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: June 7, 2022
    Assignee: Katholieke Universiteit Leuven
    Inventors: Kai Dallmeier, Dieudonné Buh Kum, Niraj Mishra, Johan Neyts, Michael Alexander Schmid
  • Publication number: 20220168412
    Abstract: A polynucleotide comprising the sequence of a live, infectious, attenuated Zika-Japanese encephalitis (JEV) chimeric virus wherein the nucleotide sequence encoding the prME protein of said Zika virus is replaced by a nucleotide sequence encoding the prME protein of a Japanese encephalitis virus, so that said prME protein of said Japanese encephalitis virus is expressed.
    Type: Application
    Filed: April 10, 2020
    Publication date: June 2, 2022
    Inventors: Kai Dallmeier, Dieudonné Buh Kum, Niraj Mishra, Johan Neyts
  • Publication number: 20220106321
    Abstract: The present invention relates to a series of novel compounds, methods to prevent or treat viral infections in animals by using the novel compounds and to said novel compounds for use as a medicine, more preferably for use as a medicine to treat or prevent viral infections, particularly infections with RNA viruses, more particularly infections with viruses belonging to the family of the Flaviviridae, and yet more particularly infections with the Dengue virus. The present invention furthermore relates to pharmaceutical compositions or combination preparations of the novel compounds, to the compositions or preparations for use as a medicine, more preferably for the prevention or treatment of viral infections. The invention also relates to processes for preparation of the compounds.
    Type: Application
    Filed: November 30, 2021
    Publication date: April 7, 2022
    Applicant: Katholieke Universiteit Leuven
    Inventors: Dorothée Bardiot, Gunter Carlens, Kai Dallmeier, Suzanne Kaptein, Michael McNaughton, Arnaud Marchand, Johan Neyts, Wim Smets, Mohamed Koukni
  • Patent number: 11279704
    Abstract: The present invention relates to a series of novel compounds, methods to prevent or treat viral infections in animals by using the novel compounds and to said novel compounds for use as a medicine, more preferably for use as a medicine to treat or prevent viral infections, particularly infections with RNA viruses, more particularly infections with viruses belonging to the family of the Flaviviridae, and yet more particularly infections with the Dengue virus. The present invention furthermore relates to pharmaceutical compositions or combination preparations of the novel compounds, to the compositions or preparations for use as a medicine, more preferably for the prevention or treatment of viral infections. The invention also relates to processes for preparation of the compounds.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: March 22, 2022
    Assignee: Katholieke Universiteit Leuven
    Inventors: Dorothée Bardiot, Gunter Carlens, Kai Dallmeier, Suzanne Kaptein, Michael McNaughton, Arnaud Marchand, Johan Neyts, Wim Smets, Mohamed Koukni
  • Publication number: 20210353735
    Abstract: The invention describes chimeric Flavivirus constructs comprising lyssavirus G proteins in the E/NS1 intergenic region.
    Type: Application
    Filed: September 6, 2019
    Publication date: November 18, 2021
    Inventors: Kai Dallmeier, Niraj Mishra, Johan Neyts, Lorena Sanchez
  • Publication number: 20200331969
    Abstract: The invention relates to polynucleotides comprising the sequence of a flavivirus preceded by a sequence encoding an N terminal part of a flavivirus Capsid protein, an immunogenic protein, or a part thereof comprising a an immunogenic peptide, and a 2A cleaving peptide, and to the virus encoded by such sequences. The invention further relates to the use of such polynucleotides and viruses as vaccines.
    Type: Application
    Filed: October 5, 2018
    Publication date: October 22, 2020
    Inventors: Robbert Boudewijns, Kai Dallmeier, Johan Neyts
  • Publication number: 20200316187
    Abstract: The present invention relates to chimeric yellow fever—Zika strains and attenuated versions thereof, wherein the nucleotide sequence encoding the signal sequence and prME protein of said yellow virus is replaced by a nucleotide sequence encoding the signal sequence and the prME protein of a Zika virus.
    Type: Application
    Filed: October 5, 2018
    Publication date: October 8, 2020
    Inventors: Kai Dallmeier, Dieudonné Buh Kum, Niraj Mishra, Johan Neyts, Michael Alexander Schmid
  • Publication number: 20200223845
    Abstract: The present invention relates to a series of novel compounds, methods to prevent or treat viral infections in animals by using the novel compounds and to said novel compounds for use as a medicine, more preferably for use as a medicine to treat or prevent viral infections, particularly infections with RNA viruses, more particularly infections with viruses belonging to the family of the Flaviviridae, and yet more particularly infections with the Dengue virus. The present invention furthermore relates to pharmaceutical compositions or combination preparations of the novel compounds, to the compositions or preparations for use as a medicine, more preferably for the prevention or treatment of viral infections. The invention also relates to processes for preparation of the compounds.
    Type: Application
    Filed: February 24, 2020
    Publication date: July 16, 2020
    Applicant: Katholieke Universiteit Leuven
    Inventors: Dorothée Bardiot, Gunter Carlens, Kai Dallmeier, Suzanne Kaptein, Mohamed Koukni, Arnaud Marchand, Johan Neyts, Wim Smets
  • Patent number: 10633378
    Abstract: The present invention relates to a series of novel compounds, methods to prevent or treat viral infections in animals by using the novel compounds and to said novel compounds for use as a medicine, more preferably for use as a medicine to treat or prevent viral infections, particularly infections with RNA viruses, more particularly infections with viruses belonging to the family of the Flaviviridae, and yet more particularly infections with the Dengue virus. The present invention furthermore relates to pharmaceutical compositions or combination preparations of the novel compounds, to the compositions or preparations for use as a medicine, more preferably for the prevention or treatment of viral infections. The invention also relates to processes for preparation of the compounds.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: April 28, 2020
    Assignee: Katholieke Universiteit Leuven, K.U. Leuven R&D
    Inventors: Dorothée Bardiot, Gunter Carlens, Kai Dallmeier, Suzanne Kaptein, Mohamed Koukni, Arnaud Marchand, Johan Neyts, Wim Smets
  • Patent number: 10550123
    Abstract: The present invention relates to a series of novel compounds, methods to prevent or treat viral infections in animals by using the novel compounds and to said novel compounds for use as a medicine, more preferably for use as a medicine to treat or prevent viral infections, particularly infections with RNA viruses, more particularly infections with viruses belonging to the family of the Flaviviridae, and yet more particularly infections with the Dengue virus. The present invention furthermore relates to pharmaceutical compositions or combination preparations of the novel compounds, to the compositions or preparations for use as a medicine, more preferably for the prevention or treatment of viral infections. The invention also relates to processes for preparation of the compounds.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: February 4, 2020
    Assignee: Katholieke Universiteit Leuven, K.U. Leuven R&D
    Inventors: Dorothée Bardiot, Gunter Carlens, Kai Dallmeier, Suzanne Kaptein, Michael McNaughton, Arnaud Marchand, Johan Neyts, Wim Smets, Mohamed Koukni
  • Publication number: 20190337954
    Abstract: The present invention relates to a series of novel compounds, methods to prevent or treat viral infections in animals by using the novel compounds and to said novel compounds for use as a medicine, more preferably for use as a medicine to treat or prevent viral infections, particularly infections with RNA viruses, more particularly infections with viruses belonging to the family of the Flaviviridae, and yet more particularly infections with the Dengue virus. The present invention furthermore relates to pharmaceutical compositions or combination preparations of the novel compounds, to the compositions or preparations for use as a medicine, more preferably for the prevention or treatment of viral infections. The invention also relates to processes for preparation of the compounds.
    Type: Application
    Filed: July 18, 2019
    Publication date: November 7, 2019
    Applicant: Katholieke Universiteit Leuven, K.U. Leuven R&D
    Inventors: Dorothée Bardiot, Gunter Carlens, Kai Dallmeier, Suzanne Kaptein, Michael McNaughton, Arnaud Marchand, Johan Neyts, Wim Smets, Mohamed Koukni
  • Publication number: 20190111125
    Abstract: The invention relates to the use of a bacterial artificial chromosome (BAC) for the preparation of a vaccine, wherein the BAC comprises an inducible bacterial ori sequence for amplification of the BAC to more than 10 copies per bacterial cell. Plus a viral expression cassette comprising a cDNA of an attenuated RNA virus genome and comprising cis-regulatory elements for transcription of said viral cDNA in mammalian cells and for processing of the transcribed RNA into infectious viral RNA.
    Type: Application
    Filed: September 17, 2018
    Publication date: April 18, 2019
    Inventors: Kai DALLMEIER, Johan NEYTS
  • Patent number: 10076564
    Abstract: The invention relates to the use of a bacterial artificial chromosome (BAC) for the preparation of a vaccine, wherein the BAC comprises an inducible bacterial ori sequence for amplification of the BAC to more than 10 copies per bacterial cell. Plus a viral expression cassette comprising a cDNA of an attenuated RNA virus genome and comprising cis-regulatory elements for transcription of said viral cDNA in mammalian cells and for processing of the transcribed RNA into infectious viral RNA.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: September 18, 2018
    Assignee: KATHOLIEKE UNIVERSITEIT LEUVEN
    Inventors: Kai Dallmeier, Johan Neyts