Patents by Inventor Andrew Paul Nelson

Andrew Paul Nelson 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).

  • Patent number: 7320957
    Abstract: Rinse-aid composition comprising a polyalkoxylated trisiloxane surfactant and a non-ionic solubilising system having a cloud point above room temperature and an acidifying agent wherein the rinse-aid composition has a pH of from about 1 to about 4.5.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: January 22, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Anju Deepali Massey Brooker, Harold Emmerson, Andrew Paul Nelson, Eric San Jose Robles, Brian Xiaoqing Song
  • Publication number: 20070173428
    Abstract: The present invention relates to a composition comprising: (i) a pre-formed peroxyacid or salt thereof in molecularly encapsulated form; and (ii) a bleach catalyst that is capable of accepting an oxygen atom from a peroxyacid and transferring the oxygen atom to an oxidizeable substrate.
    Type: Application
    Filed: January 23, 2007
    Publication date: July 26, 2007
    Inventors: Doris Appleby, Andrew Paul Nelson, Alan Thomas Brooker