Patents by Inventor Wilfried Höflinger

Wilfried Höflinger 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).

  • Patent number: 6809073
    Abstract: A method is provided for producing a tablet, especially a detergent tablet, which includes at least one first and one second layer. The method comprises the following steps: (a) introducing a first metered quantity of a first particulate composition into a molding cavity of a tablet press; (b) compacting the first metered quantity with a first mold pressure by means of a molding punch that has at least one convexity on its pressing surface, to produce a first compacted layer that has one or more respective indentations in its upper surface that corresponds to a convexity/convexities on the molding punch; (c) introducing a second metered quantity of a second particulate composition into the molding cavity of the tablet press on top of the first compacted layer; and (d) compacting the second metered quantity with a second mold pressure by means of a molding punch, to produce a second compacted layer with one or more respective indentations in its upper surface.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: October 26, 2004
    Assignee: Reckitt Benckiser N.V.
    Inventors: Wilfried Höflinger, Laurence Geret, Brigitte Sandmann, Ralf Wiedemann
  • Patent number: 6194368
    Abstract: The invention relates to a dishwasher detergent in the form of a multi-layer tablet comprising a bleach, a bleach activator, a silver/copper corrosion inhibitor and also other customary constituents, where the silver/copper corrosion inhibitor is not present together with the bleach and the bleach activator in one layer.
    Type: Grant
    Filed: April 10, 1998
    Date of Patent: February 27, 2001
    Assignee: Joh A. Benckiser, GmbH
    Inventors: Guido Wäschenbach, Paul Robinson, Brigitte Sandmann, Harald Magg, Wilfried Höflinger