Patents by Inventor Rene Appel

Rene Appel 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).

  • Enhancement of air bleaching catalysts
    Patent number: 6518231
    Abstract: The invention relates to catalytically bleaching substrates, especially laundry fabrics, with atmospheric oxygen or air in the presence of an air bleaching facilitator.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: February 11, 2003
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Rene Appel, Ronald Hage, Philippus Cornelis van der Hoeven, Joachim Lienke, Richard George Smith
  • Enhancement of air bleaching catalysts
    Publication number: 20020169096
    Abstract: The invention relates to catalytically bleaching substrates, especially laundry fabrics, with atmospheric oxygen or air in the presence of an air bleaching facilitator.
    Type: Application
    Filed: December 11, 2001
    Publication date: November 14, 2002
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Rene Appel, Ronald Hage, Philippus Cornelis van der Hoeven, Joachim Lienke, Richard George Smith