Patents by Inventor Marten Van Vliet

Marten Van Vliet 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: 5114611
    Abstract: Peroxy compound bleaching is activated by a catalytic amount of a transition metal complex of a transition metal (Mn, Co, Fe or Cu) with a non-(macro)-cyclic ligand of the formula: ##STR1## preferably 2,2'-bispyridylamine. Bleaching agent and bleach detergent compositions are also disclosed comprising a peroxy compound bleach and said transition metal complex. The transition metal complex is an effective catalyst for activating hydrogen peroxide compounds, peroxyacids and peroxyacid bleach precursors on removing a wide class of stains from substrates, especially texiles and fabrics.
    Type: Grant
    Filed: April 9, 1990
    Date of Patent: May 19, 1992
    Assignee: Lever Brothers Company, Divison of Conopco, Inc.
    Inventors: Cornelis G. Van Kralingen, Rudolf J. Martens, Mark E. Rerek, Ton Swarthoff, Marten Van Vliet