Patents by Inventor Graham Worrall

Graham Worrall 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).

  • PARTICULATE MATERIAL PRODUCTION PROCESS
    Publication number: 20200392005
    Abstract: The present invention relates to a process for producing a plurality of hollow inorganic nanoparticles, which process comprises: (a) contacting a first monomer and a second monomer in a solvent to produce a composition comprising the solvent and a plurality of polymer nanoparticles; (b) adding an inorganic compound precursor to the composition comprising the solvent and the plurality of polymer nanoparticles to produce a composition comprising the solvent and a plurality of inorganic compound-coated polymer nanoparticles; (c) adding an additional amount of the first and second monomers to the composition comprising the solvent and the plurality of inorganic compound-coated polymer nanoparticles to produce a composition comprising the solvent and a plurality of composite nanoparticles; and (d) heating the plurality of composite nanoparticles to produce the plurality of hollow inorganic nanoparticles, wherein in step (a) the first monomer and the second monomer are contacted in the solvent at a temperature of a
    Type: Application
    Filed: November 14, 2018
    Publication date: December 17, 2020
    Applicant: N4 Pharma UK Limited
    Inventors: Chengzhong (Michael) Yu, Hao Song, Graham Worrall, Lynn Donlon