Patents Assigned to CORNELIUS GROUP PLC
  • Dimethylsiloxane-alkylene oxide copolymers
    Patent number: 11642304
    Abstract: Copolymers are formed of monomers of poly(dimethylsiloxane) and poly(alkylene oxide) of the following formula: Ax-XCH2CH2—[ByCz]n—X-Ax. In the formula, each X independently represents a —CH2— group or an oxygen atom, A represents a polydimethylsiloxane derivative, B represents a polyethylene glycol unit, C represents a polypropylene glycol unit, x and n independently represent an integer from 1 to 150, and y and z independently represent an integer from 0 to 150. The copolymers can be used as emulsifiers in personal care compositions.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: May 9, 2023
    Assignee: CORNELIUS GROUP PLC
    Inventors: Thomas Guy Alabaster, Hannah Ruth Beasley-Suffolk, John Mark Bilney, Ella-Louise Ceraulo, John Ing Chuan Daly, Ian Stuart Pearce, Elizabeth Joan Smith, Robert Liam Smith, Christos Angeletakis, Yingfa Li