Patents by Inventor Ludger Grunwald

Ludger Grunwald 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: 9332764
    Abstract: The invention relates to an aqueous composition for inactivating sporulated and/or non-sporulated Coccidia parasites comprising 15 to 115 ppm chlorine dioxide and 0.01 to 1 wt-% of an anionic surfactant having one or more C6 to C18 alkyl groups and one or more aryl groups. The invention further relates to a method for preparing the composition and to a method for inactivating sporulated and/or non-sporulated Coccidia by applying the composition.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: May 10, 2016
    Assignee: Ecolab USA Inc.
    Inventors: Edward Verkaar, Ludger Grunwald, Stefan Kuepper
  • Publication number: 20110250295
    Abstract: The invention relates to an aqueous composition for inactivating sporulated and/or non-sporulated Coccidia parasites comprising 15 to 115 ppm chlorine dioxide and 0.01 to 1 wt-% of an anionic surfactant having one or more C6 to C18 alkyl groups and one or more aryl groups. The invention further relates to a method for preparing the composition and to a method for inactivating sporulated and/or non-sporulated Coccidia by applying the composition.
    Type: Application
    Filed: August 16, 2007
    Publication date: October 13, 2011
    Applicant: ECOLAB Inc.
    Inventors: Edward Verkaar, Ludger Grunwald, Stefan Kuepper
  • Publication number: 20110152156
    Abstract: The invention relates to solid block acid containing cleaning compositions comprising based on the composition A) 10-75 wt-% of at least one liquid mineral acid selected from the group consisting of phosphoric acid, sulphuric acid, sulphurous acid, and nitric acid, B) 1-60 wt-% of at least one solid organic acid with pKa at 20° C. between 1.0 and 1.1, C) 15-80 wt-% of at least one carboxylic acid selected from the group consisting of citric acid monohydrate, hydroxyacetic acid, maleic acid, succinic acid, glutaric acid and adipinic acid, D) 5-40 wt-% urea, E) 0.1-10 wt-% of at least one non-ionic surfactant, and the rest up to 100 wt-% is water, wherein the composition contains less than 1 wt-% nonylphenol ethoxylates and halogen compounds.
    Type: Application
    Filed: November 5, 2007
    Publication date: June 23, 2011
    Inventors: Joachim Sauter, Anna Burczek, Ludger Grunwald, Karl Helminger, Hubert De Roquefeuil, Ralf Schuster