Patents by Inventor Constar International, Inc.

Constar International, Inc. 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).

  • OXYGEN SCAVENGING MOLECULES, ARTICLES CONTAINING SAME, AND METHODS OF THEIR USE
    Publication number: 20140027339
    Abstract: The invention relates to compounds of the structure of formula I and II: where X is selected from the group consisting of O, S and NH; Y, A and B are independently selected from the group consisting of N and CH; D, E and F are independently selected from the group consisting of CH, N, O and S; the symbol — represents a single or a double bond; and R1, R2 and R3 are independently selected from the group consisting of H, electron withdrawing groups and electron releasing groups. In other embodiments, the compounds are used as oxygen scavengers and in barrier compositions and articles.
    Type: Application
    Filed: March 25, 2013
    Publication date: January 30, 2014
    Inventor: Constar International, Inc.