Patents by Inventor Jason N. Campbell

Jason N. Campbell 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).

  • Spheronized polymer particles
    Patent number: 10669383
    Abstract: Spheroid polymer particles are prepared from non-spheroid particles by heating the non-spheroid particles in a liquid medium to a temperature that is above the glass transition temperature or the melting temperature of the polymer and then cooling.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: June 2, 2020
    Assignee: Evonik Corporation
    Inventors: Jason N. Campbell, Bruce W. Hudson