Patents Assigned to Clarient Finance (BVI) Limited
  • Water-based hydraulic fluids comprising dithio-di(aryl carbolic acids)
    Patent number: 8759264
    Abstract: The invention relates to water-based hydraulic fluids comprising a) water, b) at least one glycol, a polyglycol, or both, and c) 0.1 to 30 wt % of at least one compound of formula 1, where M is hydrogen, an alkali metal, an alkali earth metal, or ammonia, Ar1 and Ar2 are independently monocyclic or polycyclic aromatic groups that can have substituents or can comprise heteroatoms.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: June 24, 2014
    Assignee: Clarient Finance (BVI) Limited
    Inventors: Rainer Kupfer, Carsten Cohrs
  • Flotation reagent for minerals containing silicate
    Patent number: 8172089
    Abstract: The invention relates to the use of a compound of formula R—N-[A-NH2]2??(1) wherein R represents a linear or branched alkyl group or alkenyl group having 6 to 20 carbon atoms while A represents a C2 to C4 alkylene group, as collector in silicate flotation.
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: May 8, 2012
    Assignee: Clarient Finance (BVI) Limited
    Inventors: Klaus-Ulrich Pedain, Tobias Rau, Michael Patzke