Patents by Inventor Jonathon B. McKannan

Jonathon B. McKannan 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 FOR PREPARING POLYETHYLENE GLYCOL MALEIMIDE USING N-(2-HYDROXYETHYL) MALEIMIDE AS A STARTING MATERIAL
    Publication number: 20130041134
    Abstract: The present invention relates generally to methods for preparing polyethylene glycol maleimide (“PEG-Mal”). More specifically, the present invention relates to methods for synthesizing desired molecular weight PEG-Mal by direct ethoxylation of N-(2-hydroxyethyl)maleimide under specific reaction conditions.
    Type: Application
    Filed: November 2, 2010
    Publication date: February 14, 2013
    Applicant: SANGART ,INC.
    Inventors: John R. Handley, Jonathon B. McKannan