Patents Assigned to Asymptote Limited
  • Patent number: 6881231
    Abstract: A composition for reducing deposition of a mineral salt from an aqueous supersaturated solution onto a solid surface in contact with the aqueous supersaturated solution which composition comprises a dispersion of either (i) seed crystals of the mineral salt in an aqueous solution of the mineral salt or (ii) seed crystals of a salt isomorphous with the mineral salt in an aqueous solution of the isomorphous salt wherein the dispersed seed crystals are of Mean particle size of less than 2.5 microns.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: April 19, 2005
    Assignees: BP Exploration Operating Company Limited, Asymptote Limited
    Inventors: Elizabeth Acton, George John Morris