Patents by Inventor Jalila A. Simaan

Jalila A. Simaan 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 catalysts and formulations containing them
    Patent number: 6649582
    Abstract: The present invention relates to new macrocyclic bleach catalysts, to formulations comprising these catalysts, as well as bleaching processes which employ these catalysts. These catalysts exhibit unexpected hydrolytic stability, as well as stability against metal abstraction by metal abstracting agents.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: November 18, 2003
    Assignee: Unilever Patent Holdings B.V.
    Inventors: Frédéric Banse, Riccardo F. Carina, Michel G. J. Delroisse, Jean-Jacques Girerd, Ronald Hage, Jalila A. Simaan, David Tetard