Patents by Inventor Andrew Mottram

Andrew Mottram 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).

  • Dry Strength System for the Production of Paper and Board
    Publication number: 20090107644
    Abstract: The instant invention relates to certain cross-linked polyamides and their use in the paper and board industry for improving dry strength. The polyamide from the reaction of a di- or tri-primary amine with a di- or tri- or tetra carboxylic acid is further reacted with a di- or tri-functional cross-linking compound to give a cationic or anionic product with no reactive groups.
    Type: Application
    Filed: December 7, 2006
    Publication date: April 30, 2009
    Inventors: John Stuart Cowman, Adrian Fox, Andrew Mottram, Paul Dekock