Patents by Inventor Martin Phillipson

Martin Phillipson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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