Patents by Inventor David John Catridge

David John Catridge 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).

  • Thickeners
    Publication number: 20030171485
    Abstract: The use of an amine functional polymer, including salts thereof, as a rheology modifier for solvent-based paints, inks, filled thermosetting resins and thermosetting resin-based gelcoats whereby the amine functional polymer contains not less that 42% by weight of the residue of one or more amine-containing monomers, or salts thereof, relative to the weight of the polymer. Preferably the amine functional polymer is obtainable from two or more monomers which contain at least one ethylenically unsaturated group such as styrene and 2-dimethylaminoethylmethacrylate.
    Type: Application
    Filed: December 5, 2002
    Publication date: September 11, 2003
    Inventors: David John Catridge, Dean Thetford, John David Schofield, Paul Gough, Stuart Nicholas Richards