Patents by Inventor Peter Gratton

Peter Gratton 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).

  • Composition comprising macrocyclic tetra-amido metal complex as bleaching catalyst
    Publication number: 20050075262
    Abstract: The present invention provides a laundry bleaching composition comprising: a) a macrocyclic tetra amido N-donor metal-ligand complex (preferably, 5,6-benzo-3,8,11,13-tetraoxo-2,2,9,9,12,12-hexamethyl-1,4,7,10-teraaza-cyclo-tridecane), and b) an alkyl benzene sulphonate surfactant said composition being substantially devoid of any added peroxygen bleach or a peroxy-based or peroxyl-generating bleach system.
    Type: Application
    Filed: July 30, 2002
    Publication date: April 7, 2005
    Inventors: Sarah Dixon, Peter Gratton, John Oakes