Patents by Inventor Stefan Ewert

Stefan Ewert 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: 20160185850
    Abstract: The present invention relates to particularly stable and soluble scFv antibodies and Fab fragments specific for TNF?, which comprise specific light chain and heavy chain sequences that are optimized for stability, solubility, in vitro and in vivo binding of TNF?, and low immunogenicity. Said antibodies are designed for the diagnosis and/or treatment of TNF?-related disorders. The nucleic acids, vectors and host cells for expression of the recombinant antibodies of the invention, methods for isolating them and the use of said antibodies in medicine are also disclosed.
    Type: Application
    Filed: March 8, 2016
    Publication date: June 30, 2016
    Inventors: Stefan Ewert, David Urech, Adrian Auf Der Maur, Alcide Barberis, Peter Lichtlen
  • Patent number: 9315572
    Abstract: The present invention relates to particularly stable and soluble scFv antibodies and Fab fragments specific for TNF?, which comprise specific light chain and heavy chain sequences that are optimized for stability, solubility, in vitro and in vivo binding of TNF?, and low immunogenicity. Said antibodies are designed for the diagnosis and/or treatment of TNF?-related disorders. The nucleic acids, vectors and host cells for expression of the recombinant antibodies of the invention, methods for isolating them and the use of said antibodies in medicine are also disclosed.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: April 19, 2016
    Assignee: ESBATech, an Alcon Biomedical Research, Unit LLC
    Inventors: Stefan Ewert, Alcide Barberis, David M. Urech, Adrian Auf Der Maur, Peter Lichtlen
  • Patent number: 9273126
    Abstract: The invention discloses an isolated antibody that selectively binds to the C-terminal part of Abeta and is humanized or fully human. The antibody of the invention is capable of preventing oligomerization of Abeta. Furthermore, a method of diagnosis comprising the steps of: (i) Labelling an antibody; (ii) Administering an effective dose of said antibody intranasally or systemically to a subject; and (iii) Detecting the concentration and/or presence of the labelled antibody in body parts of the subject is disclosed.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: March 1, 2016
    Assignees: Delenex Therapeutics AG, University of Zurich
    Inventors: Stefan Ewert, Adrian Auf Der Maur, Susann Cattepoel, Roger Nitsch
  • Publication number: 20150057191
    Abstract: Compositions are provided, which can be used as frameworks for the creation of very stable and soluble single-chain Fv antibody fragments. These frameworks have been selected for intracellular performance and are thus ideally suited for the creation of scFv antibody fragments or scFv antibody libraries for applications where stability and solubility are limiting factors for the performance of antibody fragments, such as in the reducing environment of a cell. Such frameworks can also be used to identify highly conserved residues and consensus sequences which demonstrate enhanced solubility and stability.
    Type: Application
    Filed: August 26, 2014
    Publication date: February 26, 2015
    Inventors: Kathrin Tissot, Stefan Ewert, Adrian Auf Der Maur, Alcide Barberis, Dominik Escher
  • Patent number: 8853362
    Abstract: Compositions are provided, which can be used as frameworks for the creation of very stable and soluble single-chain Fv antibody fragments. These frameworks have been selected for intracellular performance and are thus ideally suited for the creation of scFv antibody fragments or scFv antibody libraries for applications where stability and solubility are limiting factors for the performance of antibody fragments, such as in the reducing environment of a cell. Such frameworks can also be used to identify highly conserved residues and consensus sequences which demonstrate enhanced solubility and stability.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: October 7, 2014
    Assignee: ESBATech, an Alcon Biomedical Research Unit LLC
    Inventors: Kathrin Tissot, Stefan Ewert, Adrian Auf Der Maur, Alcide Barberis, Dominik Escher
  • Publication number: 20140171634
    Abstract: The present invention relates to particularly stable and soluble scFv antibodies and Fab fragments specific for TNF?, which comprise specific light chain and heavy chain sequences that are optimized for stability, solubility, in vitro and in vivo binding of TNF?, and low immunogenicity. Said antibodies are designed for the diagnosis and/or treatment of TNF?-related disorders. The nucleic acids, vectors and host cells for expression of the recombinant antibodies of the invention, methods for isolating them and the use of said antibodies in medicine are also disclosed.
    Type: Application
    Filed: February 20, 2014
    Publication date: June 19, 2014
    Applicant: ESBATech, an Alcon Biomedical Research Unit LLC
    Inventors: Stefan Ewert, Alcide Barberis, David M. Urech, Adrian Auf Der Maur, Peter Lichtlen
  • Patent number: 8691228
    Abstract: The present invention relates to particularly stable and soluble scFv antibodies and Fab fragments specific for TNF?, which comprise specific light chain and heavy chain sequences that are optimized for stability, solubility, in vitro and in vivo binding of TNF?, and low immunogenicity. Said antibodies are designed for the diagnosis and/or treatment of TNF?-related disorders. The nucleic acids, vectors and host cells for expression of the recombinant antibodies of the invention, methods for isolating them and the use of said antibodies in medicine are also disclosed.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: April 8, 2014
    Assignee: ESBATech, an Alcon Biomedical Research Unit LLC
    Inventors: Stefan Ewert, Alcide Barberis, David Urech, Adrian Auf Der Maur, Peter Lichtlen
  • Publication number: 20130345292
    Abstract: The invention discloses an isolated antibody that selectively binds to the C-terminal part of Abeta and is humanized or fully human. The antibody of the invention is capable of preventing oligomerisation of Abeta. Furthermore, a method of diagnosis comprising the steps of: (i) Labelling an antibody; (ii) Administering an effective dose of said antibody intranasally or systemically to a subject; and (iii) Detecting the concentration and/or presence of the labelled antibody in body parts of the subject is disclosed.
    Type: Application
    Filed: November 2, 2012
    Publication date: December 26, 2013
    Inventors: Stefan Ewert, Adrian Auf Der Maur, Susann Cattepoel, Roger Nitsch
  • Patent number: 8400098
    Abstract: A method for controlling the movement of axles whose drives are connected for exchanging energy, in particular by connecting intermediate circuits of the converters respectively comprised by the drives, prior to the start of the movement, a predictive determination of the sequence of movements being performed, in the process of which first the time-critical axle is determined, then the travel profile of the time-critical axle is defined, then a respective total energy consumption is assigned to the possible travel profiles of additional axles, from these, the profile is selected that has the smallest total energy requirement associated with it, and then the movement is carried out.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: March 19, 2013
    Assignee: Sew-Eurodrive GmbH & Co. KG
    Inventors: Stefan Ewert, Andreas Steinsdörfer
  • Patent number: 8389693
    Abstract: The present invention relates to particularly stable and soluble scFv antibodies and Fab fragments specific for TNF?, which comprise specific light chain and heavy chain sequences that are optimized for stability, solubility, in vitro and in vivo binding of TNF?, and low immunogenicity. Said antibodies are designed for the diagnosis and/or treatment of TNF?-related disorders. The nucleic acids, vectors and host cells for expression of the recombinant antibodies of the invention, methods for isolating them and the use of said antibodies in medicine are also disclosed.
    Type: Grant
    Filed: September 26, 2011
    Date of Patent: March 5, 2013
    Assignee: ESBATech, an Alcon Boimedical Research Unit, LLC
    Inventors: Stefan Ewert, Alcide Barberis, David M. Urech, Adrian Auf Der Maur, Peter Lichtlen
  • Patent number: 8323647
    Abstract: The invention discloses an isolated antibody that selectively binds to the C-terminal part of Abeta and is humanized or fully human. The antibody of the invention is capable of preventing oligomerization of Abeta. Furthermore, a method of diagnosis comprising the steps of: (i) Labelling an antibody; (ii) Administering an effective dose of said antibody intranasally or systemically to a subject; and (iii) Detecting the concentration and/or presence of the labelled antibody in body parts of the subject is disclosed.
    Type: Grant
    Filed: September 15, 2008
    Date of Patent: December 4, 2012
    Assignees: Delenex Therapeutics AG, University of Zurich
    Inventors: Stefan Ewert, Adrian Auf Der Maur, Susann Cattepoel, Roger Nitsch
  • Publication number: 20120064077
    Abstract: The present invention relates to particularly stable and soluble scFv antibodies and Fab fragments specific for TNF?, which comprise specific light chain and heavy chain sequences that are optimized for stability, solubility, in vitro and in vivo binding of TNF?, and low immunogenicity. Said antibodies are designed for the diagnosis and/or treatment of TNF?-related disorders. The nucleic acids, vectors and host cells for expression of the recombinant antibodies of the invention, methods for isolating them and the use of said antibodies in medicine are also disclosed.
    Type: Application
    Filed: September 26, 2011
    Publication date: March 15, 2012
    Applicant: ESBATECH, AN ALCON BIOMEDICAL RESEARCH UNIT LLC.
    Inventors: Stefan Ewert, Alcide Barberis, David M. Urech, Adrian Auf Der Maur, Peter Lichtlen
  • Patent number: 8067547
    Abstract: The present invention relates to particularly stable and soluble scFv antibodies and Fab fragments specific for TNF?, which comprise specific light chain and heavy chain sequences that are optimized for stability, solubility, in vitro and in vivo binding of TNF?, and low immunogenicity. Said antibodies are designed for the diagnosis and/or treatment of TNF?-related disorders. The nucleic acids, vectors and host cells for expression of the recombinant antibodies of the invention, methods for isolating them and the use of said antibodies in medicine are also disclosed.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: November 29, 2011
    Assignee: ESBATech, an Alcon Biomedical Research Unit, LLC
    Inventors: Stefan Ewert, Alcide Barberis, David M. Urech, Adrian Auf Der Maur, Peter Lichtlen
  • Publication number: 20110020220
    Abstract: The invention discloses an isolated antibody that selectively binds to the C-terminal part of Abeta and is humanized or fully human. The antibody of the invention is capable of preventing oligomerisation of Abeta. Furthermore, a method of diagnosis comprising the steps of: (i) Labelling an antibody; (ii) Administering an effective dose of said antibody intranasally or systemically to a subject; and (iii) Detecting the concentration and/or presence of the labelled antibody in body parts of the subject is disclosed.
    Type: Application
    Filed: September 15, 2008
    Publication date: January 27, 2011
    Applicants: Delenex Therapeutics AG, University of Zurich Prorektorat Forschung
    Inventors: Stefan Ewert, Adrian Auf Der Maur, Susann Cattepoel, Roger Nitsch
  • Publication number: 20100322930
    Abstract: The invention provides fibronectin-based binding molecules and methods for introducing donor CDRs into a fibronectin-based binding scaffold, in particular, Fn3. The fibronectin-based binding molecules of the invention may be further conjugated to another moiety, for example, Fc, anti-FcRn, HSA, anti-HSA, and PEG, for improved half life and stability, particularly in mammalian cells. The invention also provides methods for screening such molecules for binding to a target antigen as well as the manufacture and purification of a candidate binder.
    Type: Application
    Filed: December 22, 2008
    Publication date: December 23, 2010
    Inventors: Frank Kolbinger, Karen Jane Vincent, Barbara Brannetti, Stefan Ewert
  • Publication number: 20100113355
    Abstract: An scFv peptide comprising a VH domain and a VL domain linked by an amino acid spacer is disclosed. The VH domain comprises a sequence with at least 80% sequence identity to the sequence of SEQ ID NO. 64. The VL domain comprises a sequence with at least 80% sequence identity to the sequence of SEQ ID NO. 66. The scFv peptide comprises an additional feature selected from (a) to (e) and combinations thereof. (a) A substitution or deletion of an amino acid in the VH domain at a position corresponding to that selected from the group consisting of: I29, H68, N85, C97 and combinations thereof. (b) A substitution or deletion of an amino acid in the VL domain at a position corresponding to that selected from the group consisting of: V2, V3, F10, F14, A39, N76 and combinations thereof. (c) The amino acid spacer comprises the sequence (GGGGS)n wherein n is between 4 and 6. (d) The VH domain further comprises an N-terminal pelB signal sequence comprising the sequence of SEQ ID NO.
    Type: Application
    Filed: April 24, 2006
    Publication date: May 6, 2010
    Inventors: Naresh Chennamsetty, Stefan Ewert, Bernard Helk, Bernhardt Trout, Philipp Wechner
  • Publication number: 20100007302
    Abstract: A method for controlling the movement of axles whose drives are connected for exchanging energy, in particular by connecting intermediate circuits of the converters respectively comprised by the drives, prior to the start of the movement, a predictive determination of the sequence of movements being performed, in the process of which first the time-critical axle is determined, then the travel profile of the time-critical axle is defined, then a respective total energy consumption is assigned to the possible travel profiles of additional axles, from these, the profile is selected that has the smallest total energy requirement associated with it, and then the movement is carried out.
    Type: Application
    Filed: August 27, 2007
    Publication date: January 14, 2010
    Applicant: Sew-Eurodrive GmbH & Co. KG
    Inventors: Stefan Ewert, Andreas Steinsdörfer
  • Publication number: 20090263382
    Abstract: The present invention relates to particularly stable and soluble scFv antibodies and Fab fragments specific for TNF?, which comprise specific light chain and heavy chain sequences that are optimized for stability, solubility, in vitro and in vivo binding of TNF?, and low immunogenicity. Said antibodies are designed for the diagnosis and/or treatment of TNF?-related disorders. The nucleic acids, vectors and host cells for expression of the recombinant antibodies of the invention, methods for isolating them and the use of said antibodies in medicine are also disclosed.
    Type: Application
    Filed: June 6, 2006
    Publication date: October 22, 2009
    Applicant: ESBATech
    Inventors: Stefan Ewert, Alcide Barberis, David M. Urech, Adrian Auf Der Maur, Peter Lichtlen
  • Publication number: 20060127893
    Abstract: The present invention relates to a method for the optimization of isolated human immunoglobulin variable heavy (VH) and light (VL) constructs.
    Type: Application
    Filed: July 19, 2002
    Publication date: June 15, 2006
    Inventors: Stefan Ewert, Thomas Huber, Annemarie Honegger, Andreas Pluckthun
  • Publication number: 20060035320
    Abstract: Compositions are provided, which can be used as frameworks for the creation of very stable and soluble single-chain Fv antibody fragments. These frameworks have been selected for intracellular performance and are thus ideally suited for the creation of scFv antibody fragments or scFv antibody libraries for applications where stability and solubility are limiting factors for the performance of antibody fragments, such as in the reducing environment of a cell. Such frameworks can also be used to identify highly conserved residues and consensus sequences which demonstrate enhanced solubility and stability.
    Type: Application
    Filed: May 21, 2004
    Publication date: February 16, 2006
    Inventors: Kathrin Tissot, Stefan Ewert, Adrian Maur, Alcide Barberis, Dorminik Escher