Patents by Inventor John R. Hagadom

John R. Hagadom 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).

  • Branched Ethylene Polymers Produced via Use of Vinyl Transfer Agents and Processes for Production Thereof
    Publication number: 20180251586
    Abstract: This invention relates to the use of pyridyldiamido and/or quinolinyldiamido transition metal complexes and catalyst systems with an activator and a metal hydrocarbenyl chain transfer agent, such as an aluminum vinyl-transfer agent (AVTA), to produce branched ethylene copolymers, preferably ethylene-butene, ethylene-hexene and ethylene-octene copolymers.
    Type: Application
    Filed: January 12, 2018
    Publication date: September 6, 2018
    Inventors: Jo Ann M. Canich, John R. Hagadom, Peijun Jiang