Patents by Inventor Stéphane HOHN

Stéphane HOHN 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: 10350295
    Abstract: Radiopaque hydrogels, in particular radiopaque hydrogel microspheres, comprising a polymer having 1,2-diol or 1,3-diol groups acetalized with radiopaque species.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: July 16, 2019
    Assignee: BIOCOMPATIBLES UK LTD.
    Inventors: Stéphane Hohn, Andrew Lennard Lewis, Sean Leo Willis, Matthew R. Dreher, Koorosh Ashrafi, Yiqing Tang
  • Publication number: 20190142946
    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: January 9, 2019
    Publication date: May 16, 2019
    Inventors: Stephane HOHN, Andrew Lennard Lewis, Sean Leo Willis, Matthew R. Dreher, Koorosh Ashrafi, Yiqing Tang
  • Publication number: 20190111159
    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.
    Type: Application
    Filed: September 5, 2018
    Publication date: April 18, 2019
    Inventors: Stéphane HOHN, Andrew Lennard LEWIS, Sean Leo WILLIS, Matthew R. DREHER, Koorosh ASHRAFI, Yiqing TANG
  • Patent number: 10098972
    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: Grant
    Filed: September 5, 2014
    Date of Patent: October 16, 2018
    Assignee: BIOCOMPATIBLES UK LTD.
    Inventors: Stéphane Hohn, Andrew Lennard Lewis
  • Patent number: 9895452
    Abstract: The present invention relates to hydrogels comprising 1,2-diol or 1,3-diol groups acetalized with a radiopaque species of one or more covalently bound radiopaque halogens which are imageable during embolization therapy. The invention further relates to methods of making radiopaque polymers and radiopaque hydrogel microspheres to provide an imageable drug delivery system.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: February 20, 2018
    Assignee: BIOCOMPATIBLES UK LIMITED
    Inventors: Stéphane Hohn, Andrew Lennard Lewis
  • 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
  • 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
  • Publication number: 20150110722
    Abstract: The present invention relates to hydrogels comprising 1,2-diol or 1,3-diol groups acetalised with a radiopaque species of one or more covalently bound radiopaque halogens which are imageable during embolization therapy. The invention further relates to methods of making radiopaque polymers and radiopaque hydrogel microspheres to provide an imageable drug delivery system.
    Type: Application
    Filed: September 5, 2014
    Publication date: April 23, 2015
    Inventors: Stéphane HOHN, Andrew Lennard LEWIS, Sean Leo WILLIS, Matthew DREHER, Koorosh ASHRAFT, Yiqing TANG