Patents by Inventor Samuel Tacitus D'Arcangelis

Samuel Tacitus D'Arcangelis 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).

  • Method and composition for improving gas barrier properties of polymeric containers and films
    Patent number: 6489386
    Abstract: A polymer composition and method for reducing the permeability of gases through molded polymeric containers and films by incorporating into the polymer from which the container or film is formed an effective amount of a barrier-enhancing additive, such as monoesters of hydroxybenzoic acid and hydroxynaphthoic acid.
    Type: Grant
    Filed: August 9, 2000
    Date of Patent: December 3, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Irene Greenwald Plotzker, Thomas Michael Ford, Kenneth George Sharp, Samuel Tacitus D'Arcangelis