Patents by Inventor John Ricks Priest

John Ricks Priest 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).

  • Reduced melt index, low gel content ethylene copolymers and process for preparation thereof
    Patent number: 3988509
    Abstract: Continuous process for the production of reduced melt index, low gel content ethylene copolymers comprising the in-line addition of a solution of a free radical initiator into the polymer stream under turbulent conditions after most but not all of the unreacted monomers have been removed. The reduced melt index, low gel content ethylene copolymers prepared by the above process are particularly useful in coating compositions for paper, paperboard or corrugated board.
    Type: Grant
    Filed: April 10, 1975
    Date of Patent: October 26, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Edward Cooper Ballard, John Ricks Priest