Patents Represented by Attorney, Agent or Law Firm Christopher Whewe, II
  • Structured surfactant systems
    Patent number: 6770612
    Abstract: Structured surfactant systems contain a deflocculant and, in addition, an auxiliary stabiliser to inhibit temperature instability. The auxiliary stabiliser comprises a substantially non cross-linked water soluble copolymer having a hydrophulic back-bone and sufficient C2-6 hydrophobic organic side chains to permit entanglement of the polymer chains.
    Type: Grant
    Filed: March 20, 2002
    Date of Patent: August 3, 2004
    Assignee: Huntsman International LLC
    Inventor: Kevan Hatchman