Patents by Inventor Koorosh Ashrafi

Koorosh Ashrafi 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).

  • Radiopaque Polymers
    Publication number: 20160228556
    Abstract: Radiopaque hydrogels, in particular radiopaque hydrogel microspheres, comprising a polymer having 1,2-diol or 1,3-diol groups acetalised with radiopaque species.
    Type: Application
    Filed: September 5, 2014
    Publication date: August 11, 2016
    Inventors: Stéphane Hohn, Andrew Lennard Lewis, Sean Leo Willis, Matthew R. Dreher, Koorosh Ashrafi, Yiqing Tang
  • Imageable Polymers
    Publication number: 20160193367
    Abstract: This invention relates to imageable polymers, particularly those comprising poly vinylalcohol and to methods for making them as well as to embolic microspheres comprising the polymers. The microspheres are imageable during embolization procedures and can be loaded with drugs or other therapeutic agents to provide an imageable drug delivery system.
    Type: Application
    Filed: September 5, 2014
    Publication date: July 7, 2016
    Applicant: Biocompatibles UK LTD
    Inventors: Stéphane Hohn, Andrew Lennard Lewis, Sean Leo Willis, Matthew R. Dreher, Koorosh Ashrafi, Yiqing Tang
  • Drug Delivery Systems
    Publication number: 20140030350
    Abstract: The present invention relates to microparticles comprising a gel body, wherein the gel body comprises a synthetic polymer and a drug, wherein the microparticles have an average diameter in the range 40 to 1500 ?m, wherein the polymer is cross-linked by groups comprising disulfide linkages and is in the form of a hydrogel.
    Type: Application
    Filed: January 27, 2012
    Publication date: January 30, 2014
    Applicant: BIOCOMPATIBLES UK LIMITED
    Inventors: Koorosh Ashrafi, Andrew Lennard Lewis, Clare Heaysman, Andrew Lloyd, Gary Philips