Patents by Inventor Klaus Wilbert

Klaus Wilbert 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).

  • Process and an arrangement for machine dishwashing
    Patent number: 6718991
    Abstract: The process of dishwashing in an institutional dishwashing machine by adding to the wash liquor of the dishwashing machine a low-alkali content detergent composition and adding to a washing tank of the dishwashing machine a detergency booster composition containing an enzyme. Apparatus to practice the process is also disclosed.
    Type: Grant
    Filed: January 26, 1996
    Date of Patent: April 13, 2004
    Assignee: Ecolab GmbH & Co. oHG
    Inventors: Jacques Breyer, Guenter Hellmann, Dieter Hemm, Klaus Wilbert
  • Compact cleaning agent for industrial dish washing machines
    Patent number: 6180578
    Abstract: A water-containing compact detergent composition having a controllably variable strength containing an aqueous lye solution, a viscosity increasing agent selected from a compound corresponding to formula I or formula II HOCH2CH(R1)OR2   (I) [HOCH2CH(R8)3-xNHx  (II) and a solid alkali metal hydroxide. The product is useful in domestic or institutional dishwashing machines.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: January 30, 2001
    Assignee: Henkel Kommanditgesellschaft Auf Aktien
    Inventors: Dieter Hemm, Guenter Hellmann, Klaus Wilbert
  • Paste-form washing-up agent and its manufacture
    Patent number: 6001791
    Abstract: The invention concerns a liquid agent in suspension for use in washing-up machines. The aim of the invention is to ensure the consistency of a paste without the need to use thickeners or extenders. This is achieved by using 30 to 60% by weight of water, 15 to 70% by weight of an alkali-metal tripolyphosphate selected from sodium tripolyphosphate, used either in the anhydrous or the partly hydrated form, and potassium tripolyphosphate in the presence of 5 to 30% by weight of an alkali carrier such as an alkali-metal hydroxide, carbonate, or metasilicate, if necessary in the presence of active-chlorine carriers, complex carriers and the other usual auxiliaries.
    Type: Grant
    Filed: February 3, 1998
    Date of Patent: December 14, 1999
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Dieter Hemm, Guenter Hellmann, Klaus Wilbert
  • Water containing paste-form detergent composition based on sodium hydroxide
    Patent number: 5958862
    Abstract: Transport- and storage-stable paste-form detergents based on sodium hydroxide that are easily processed and handled are obtained by thickening concentrated aqueous sodium hydroxide preparations with glycols, glycol derivatives, alkanolamines, or alkanolamine derivatives. The detergents also can contain builders and other typical detergent composition ingredients.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: September 28, 1999
    Assignee: Henkel-Ecolab GmbH & Co. OHG
    Inventors: Dieter Hemm, Guenter Hellmann, Klaus Wilbert, Horst Pruehs