Patents by Inventor Iryna CHEPURNA

Iryna CHEPURNA 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).

  • Acidic zirconium hydroxide
    Patent number: 11760653
    Abstract: This invention relates to azirconium hydroxideor zirconium oxide comprising, on an oxide basis, up to 30 wt % of a dopant comprising one or more of silicon, sulphate, phosphate, tungsten, niobium, aluminium, molybdenum, titanium or tin, and having acid sites, wherein the majority of the acid sites are Lewis acid sites. In addition, the invention relates to a catalyst, catalyst support or precursor, binder, functional binder, coating or sorbent comprising the zirconium hydroxide or zirconium oxide.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: September 19, 2023
    Assignee: Magnesium Elektron Limited
    Inventors: Hazel Stephenson, Iryna Chepurna, Deborah Jayne Harris, David Scapens
  • ACIDIC ZIRCONIUM HYDROXIDE
    Publication number: 20190292066
    Abstract: This invention relates to azirconium hydroxideor zirconium oxide comprising, on an oxide basis, up to 30 wt % of a dopant comprising one or more of silicon, sulphate, phosphate, tungsten, niobium, aluminium, molybdenum, titanium or tin, and having acid sites, wherein the majority of the acid sites are Lewis acid sites. In addition, the invention relates to a catalyst, catalyst support or precursor, binder, functional binder, coating or sorbent comprising the zirconium hydroxide or zirconium oxide.
    Type: Application
    Filed: January 30, 2017
    Publication date: September 26, 2019
    Inventors: Hazel STEPHENSON, Iryna CHEPURNA, Deborah Jayne HARRIS, David SCAPENS