Patents Assigned to SI GROUP USA (USAA), LLC
  • Antioxidant composition
    Patent number: 11180631
    Abstract: The present invention provides a stabilising composition, comprising: a) a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I) wherein R1 is a linear or branched alkyl group having from 12 to 20 carbon atoms; and b) one or more second phenolic antioxidants independently selected from: a mono-hydroxybenzene having lower steric hindrance than the first phenolic antioxidant; a di-hydroxybenzene; and/or a tri-hydroxybenzene.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: November 23, 2021
    Assignee: SI GROUP USA (USAA), LLC
    Inventors: Jonathan Hill, Maurice Power