Patents by Inventor David James Owen

David James Owen 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: 11970583
    Abstract: Provided herein are dendrimers comprising: a core unit, five generations of building units which are lysine residues or analogues thereof, first terminal groups comprising a cabazitazel residue covalently attached to a diglycolyl linker group, and second terminal groups comprising a PEG group. Also provided herein are pharmaceutical compositions comprising the dendrimers, and methods and uses of the dendrimers in therapy of disorders such as cancers. Processes for making the dendrimers and intermediates are also provided.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: April 30, 2024
    Assignee: Starpharma Pty Ltd.
    Inventors: David James Owen, Brian Devlin Kelly
  • Publication number: 20230263900
    Abstract: Provided herein are dendrimer-drug conjugates comprising a dendrimer including a core, building units which are lysine residues or analogues thereof, first terminal groups comprising a drug moiety comprising a Remdesivir nucleoside and a cleavable linker that provides for controlled release of the drug moiety, and second terminal groups comprising a hydrophobic polymeric group. Also provided herein are pharmaceutical compositions comprising the dendrimer-drug conjugates, and method and uses of the dendrimer-drug conjugates in therapy of disorders such as a viral infection, including a Coronavirus (CoV) infection.
    Type: Application
    Filed: August 31, 2021
    Publication date: August 24, 2023
    Inventors: David James Owen, Richard Hufton, Rosliana Halim
  • Publication number: 20220395525
    Abstract: Provided herein are dendrimers comprising a core unit, five generations of building units being a lysine residue or analogue thereof, a plurality of first terminal groups each comprising a residue of a nucleoside analogue, and a plurality of second terminal groups each comprising a hydrophilic polymeric group. Also provided herein are pharmaceutical compositions comprising the dendrimer, and methods and uses of the dendrimers in therapy of disorders such as cancers.
    Type: Application
    Filed: September 25, 2020
    Publication date: December 15, 2022
    Inventors: David James Owen, Rashmi Pathak
  • Publication number: 20220023448
    Abstract: Provided herein is a dendrimer comprising: i) a core unit (C); and ii) building units (BU), wherein the core unit is covalently attached to at least two building units; the dendrimer having from two to six generations of building units; wherein building units of different generations are covalently attached to one another; and the dendrimer further comprising: iii) one or more first terminal groups attached to an outermost building unit, wherein each first terminal group comprises a radionuclide-containing moiety; and iv) one or more second terminal groups attached to an outermost building unit, wherein each second terminal group comprises a pharmacokinetic-modifying moiety; or a salt thereof. Also provided are compositions comprising the dendrimers, and methods of using the dendrimers and compositions in diagnostic and therapeutic applications.
    Type: Application
    Filed: November 29, 2019
    Publication date: January 27, 2022
    Inventors: David James OWEN, Richard HUFTON, Kristofer James THURECHT
  • Publication number: 20220023290
    Abstract: Provided herein are dendrimers comprising: a core unit, five generations of building units which are lysine residues or analogues thereof, first terminal groups comprising a residue of a camptothecin active covalently attached to a diglycolyl linker group, and second terminal groups comprising a PEG group. Also provided herein are pharmaceutical compositions comprising the dendrimer, and methods and uses of the dendrimers in therapy of disorders such as cancers. Processes for making the dendrimers and intermediates are also provided.
    Type: Application
    Filed: November 20, 2019
    Publication date: January 27, 2022
    Inventors: David James Owen, Brian Devlin Kelly, Christine Elisabet Dietinger
  • Publication number: 20210403648
    Abstract: Provided herein are dendrimers comprising: a core unit, five generations of building units which are lysine residues or analogues thereof, first terminal groups comprising a cabazitazel residue covalently attached to a diglycolyl linker group, and second terminal groups comprising a PEG group. Also provided herein are pharmaceutical compositions comprising the dendrimers, and methods and uses of the dendrimers in therapy of disorders such as cancers. Processes for making the dendrimers and intermediates are also provided.
    Type: Application
    Filed: August 30, 2021
    Publication date: December 30, 2021
    Inventors: David James Owen, Brian Devlin Kelly, Jacinth Fairley, Jeremy Robert Arthur Paull, Stephanie Ruth Edmondson, Nicola Jane Main
  • Publication number: 20210380765
    Abstract: Provided herein are dendrimers comprising: a core unit, five generations of building units which are lysine residues or analogues thereof, first terminal groups comprising a cabazitazel residue covalently attached to a diglycolyl linker group, and second terminal groups comprising a PEG group. Also provided herein are pharmaceutical compositions comprising the dendrimers, and methods and uses of the dendrimers in therapy of disorders such as cancers. Processes for making the dendrimers and intermediates are also provided.
    Type: Application
    Filed: August 25, 2021
    Publication date: December 9, 2021
    Inventors: David James Owen, Brian Devlin Kelly
  • Patent number: 10730999
    Abstract: The present invention generally relates to macromolecules of dendrimer-drug conjugates. In particular, the invention relates to macromolecules comprising a pharmaceutically active agent, such as a protein or peptide, attached to a core of a dendrimer derived from branched building units, such as lysine or lysine analogues. The invention also relates to the synthesis of the dendrimers and macromolecules, and the use of such macromolecules, particularly in therapeutic applications, and pharmaceutical compositions comprising them.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: August 4, 2020
    Assignee: Starpharma Pty Ltd
    Inventors: David James Owen, Pauline Stanislawski, Michael Giannis, Oliver Bernhard
  • Publication number: 20170189543
    Abstract: The present invention generally relates to macromolecules of dendrimer-drug conjugates. In particular, the invention relates to macromolecules comprising a pharmaceutically active agent, such as a protein or peptide, attached to a core of a dendrimer derived from branched building units, such as lysine or lysine analogues. The invention also relates to the synthesis of the dendrimers and macromolecules, and the use of such macromolecules, particularly in therapeutic applications, and pharmaceutical compositions comprising them.
    Type: Application
    Filed: June 5, 2015
    Publication date: July 6, 2017
    Inventors: David James Owen, Pauline Stanislawski, Michael Giannis, Oliver Bernhard
  • Patent number: 9585387
    Abstract: PEHAM dendrimers of the formula: Specific PEHAM dendrimers are used in a formulation with an active agent for agricultural purposes. In particular, the PEHAM dendrimers may be used for increasing the efficacy of the active agent in various ways, such as by improving solubility of the active agent in the formulation, by improving adhesion and penetration of the active agent to plant surfaces, or by improving the water-fastness of the active agent to the plant or seed. The PEHAM dendrimers may also increase the efficacy of the active agent by increasing soil penetration of the active agent to reach the plant roots or under soil parts, by reducing soil adhesion of the active agent to reach the plant roots or under soil parts, or by reducing enzymatic degradation of the active agent by the plant or seed or microorganisms in the soil.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: March 7, 2017
    Assignee: STARPHARMA PTY LTD
    Inventors: Ryan T. Hayes, David James Owen, Abhay Singh Chauhan, Veera Reddy Pulgam, Harsh Vardhan
  • Publication number: 20160220689
    Abstract: A macromolecule comprising a dendrimer having surface amino groups to which at least one platinum-containing moiety is attached is provided. The macromolecule may have a plurality of platinum-containing moieties attached to the surface amino groups. Alternatively, the macromolecule may comprise a dendrimer having surface amino groups to which at least two different moieties are attached, a first moiety being a platinum-containing moiety and the second moiety being a pharmacokinetic modifying agent or targeting agent. Pharmaceutical compositions comprising the macromolecules and uses of the macromolecules for treating or suppressing the growth of a cancer is also described.
    Type: Application
    Filed: September 10, 2014
    Publication date: August 4, 2016
    Inventors: David James Owen, Brian Devlin Kelly, Gareth Rhys Lewis, Rashmi Pathak
  • Publication number: 20110230348
    Abstract: Specific PEHAM dendrimers are used in a formulation with an active agent for agricultural purposes, particularly for increasing the efficacy of the active agent in various ways, such as by improving solubility of the active agent in the formulation, by improving adhesion and penetration of the active agent to plant surfaces, by improving the water-fastness of the active agent to the plant or seed, by increasing soil penetration of the active agent to reach the plant roots or under soil parts, or by reducing soil adhesion of the active agent to reach the plant roots or under soil parts, or reducing enzymatic degradation of the active agent by the plant or seed or microorganisms in the soil.
    Type: Application
    Filed: May 4, 2011
    Publication date: September 22, 2011
    Applicants: Dendritic Nanotechnologies, Inc., Starpharma Pty Ltd
    Inventors: Ryan T. Hayes, David James Owen, Abhay Singh Chauhan, Veera Reddy Pulgam