Patents by Inventor Bas A. M. J. de Jong

Bas A. M. J. de Jong 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).

  • Bleach activation
    Patent number: 6022490
    Abstract: A bleach and oxidation catalyst is provided comprising a catalytically active metal-complex having a poly-dentate ligand containing at least 6 hetero-atoms. Such metal-complexes can activate hydrogen peroxide, peroxy acids or molecular oxygen and were found to have both favourable stain removal and remarkable dye transfer inhibition properties. In addition, these complexes can be easily prepared.
    Type: Grant
    Filed: June 19, 1997
    Date of Patent: February 8, 2000
    Assignee: Lever Brothers Company
    Inventors: Roelant Mathijs Hermant, Bas A. M. J. de Jong