Patents Assigned to Rasio Chemcials UK Ltd
  • Rosin emulsion
    Patent number: 6369119
    Abstract: A cationic rosin-in-water emulsion which has been prepared without intermediate isolation of an anionic rosin-in-water emulsion and in which the dispersed rosin phase is stabilized by a cationic polymer derived from a degraded starch, said polymer having a degree of substitution of at least 0.15 quaternary groups per glucose unit.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: April 9, 2002
    Assignee: Rasio Chemcials UK Ltd
    Inventors: John C. Roberts, Martin Phillipson