Patents by Inventor Peter D. Hartwell

Peter D. Hartwell 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).

  • Methods of forming compositions and articles
    Patent number: 9416265
    Abstract: A method for forming a composition comprising a propylene-based polymer and a co-agent is provided. The method comprises introducing a propylene-based polymer to an extruder and introducing the co-agent to the extruder at a position within the extruder where the temperature is from 23° C. to 125° C.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: August 16, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Sunny Jacob, Michael J. Goncy, Peter D. Hartwell, Bruce R. Lundmark
  • Methods of Forming Compositions and Articles
    Publication number: 20140155513
    Abstract: A method for forming a composition comprising a propylene-based polymer and a co-agent is provided. The method comprises introducing a propylene-based polymer to an extruder and introducing the co-agent to the extruder at a position within the extruder where the temperature is from 23° C. to 125° C.
    Type: Application
    Filed: November 30, 2012
    Publication date: June 5, 2014
    Applicant: ExxonMobil Chemical Patents Inc.
    Inventors: Sunny Jacob, Michael J. Goncy, Peter D. Hartwell, Bruce R. Lundmark