Patents by Inventor Darren James Martin

Darren James Martin 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: 20210246609
    Abstract: A material containing cellulose nanofibres, the material comprising a gel material comprising cellulose nanofibres in an aqueous medium, the cellulose nanofibres having 10% or more by weight hemicellulose. The cellulose nanofibres have a diameter of less than 100 nm, or less than 50 nm, or less than 20 nm. The gel material can be used as an adhesive to make laminates or to make paper by dewatering the gel material.
    Type: Application
    Filed: June 11, 2019
    Publication date: August 12, 2021
    Inventors: Darren James MARTIN, Katarzyna KEPA
  • Patent number: 10716877
    Abstract: A composite material comprising an elastomer and nanocellulose. The nanocellulose may comprise a nanocellulose material derived from plants having C4 leaf anatomy, or a nanocellulose material derived from a plant material having a lesser amount of lignin than hemicellulose, or a nanocellulose having a hemicellulose content of from 25% to 55% by weight of the nanocellulose material, or a nanocellulose comprising nanofibrils having a diameter of up to 5 nm, or a nanocellulose comprising nanocellulose material of plant origin comprising nanocellulose particles or fibres having an aspect ratio of at least 250, or the composite material having a stiffness of not greater than 2.5 times the stiffness of the elastomer without the nanocellulose material being present, or the nanocellulose particles or fibres being derived from a plant material having a hemicellulose content of 30% or higher (w/w). The nanocellulose may be derived from arid Spinifex.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: July 21, 2020
    Assignee: The University of Queensland
    Inventors: Nasim Amiralian, Darren James Martin
  • Patent number: 10704197
    Abstract: A nanocellulose material of plant origin comprising nanocellulose particles or fibres derived from a plant material having a hemicellulose content of 30% or higher (w/w) (calculated as a weight percentage of the lignocellulosic components of the material). The nanocellulose may have an aspect ratio of greater than 250. The nanocellulose may be derived from plant materials having C4 leaf morphology. The plant material may be obtained from arid Spinifex. The nanocellulose can be made using mild processing conditions.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: July 7, 2020
    Assignee: The University of Queensland
    Inventors: Darren James Martin, Pratheep Kumar Annamalai, Nasim Amiralian
  • Publication number: 20170333602
    Abstract: A composite material comprising an elastomer and nanocellulose. The nanocellulose may comprise a nanocellulose material derived from plants having C4 leaf anatomy, or a nanocellulose material derived from a plant material having a lesser amount of lignin than hemi-cellulose, or a nanocellulose having a hemicellulose content of from 25% to 55% by weight of the nanocellulose material, or a nanocellulose comprising nanofibrils having a diameter of up to 5 nm, or a nanocellulose comprising nanocellulose material of plant origin comprising nanocellulose particles or fibres having an aspect ratio of at least 250, or the composite material having a stiffness of not greater than 2.5 times the stiffness of the elastomer without the nanocellulose material being present, or the nanocellulose particles or fibres being derived from a plant material having a hemicellulose content of 30% or higher (w/w). The nanocellulose may be derived from arid Spinifex.
    Type: Application
    Filed: December 7, 2015
    Publication date: November 23, 2017
    Inventors: Nasim AMIRALIAN, Darren James MARTIN
  • Publication number: 20160289893
    Abstract: A nanocellulose material of plant origin comprising nanocellulose particles or fibres derived from a plant material having a hemicellulose content of 30% or higher (w/w) (calculated as a weight percentage of the lignocellulosic components of the material). The nanocellulose may have an aspect ratio of greater than 250. The nanocellulose may be derived from plant materials having C4 leaf morphology. The plant material may be obtained from arid Spinifex. The nanocellulose can be made using mild processing conditions.
    Type: Application
    Filed: November 21, 2014
    Publication date: October 6, 2016
    Inventors: Darren James MARTIN, Pratheep Kumar ANNAMALAI, Nasim AMIRALIAN
  • Patent number: 8293812
    Abstract: The invention provides a polymer composite comprising a thermoplastic host polymer having solid particulate material dispersed therethrough, the host polymer having at least one phase nanodomain, wherein the solid particulate material comprises particles having height, length and width dimensions of which at least one is substantially less than one or both of the other dimensions, and wherein the composite exhibits an increase in modulus of no more than 15% and a higher tensile strength, relative to said host polymer.
    Type: Grant
    Filed: May 19, 2005
    Date of Patent: October 23, 2012
    Assignee: The University of Queensland St. Lucia
    Inventor: Darren James Martin
  • Publication number: 20080281016
    Abstract: The invention provides a polymer composite comprising a thermoplastic host polymer having solid particulate material dispersed therethrough, the host polymer having at least one phase nanodomain, wherein the solid particulate material comprises particles having height, length and width dimensions of which at least one is substantially less than one or both of the other dimensions, and wherein the composite exhibits an increase in modulus of no more than 15% and a higher tensile strength, relative to said host polymer.
    Type: Application
    Filed: May 19, 2005
    Publication date: November 13, 2008
    Inventor: Darren James Martin