Patents by Inventor Dieter Grodau

Dieter Grodau 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: 4333771
    Abstract: A detergent composition with a mechanical cleaning effect for the mechanical cleaning of hard surfaces, particularly cooking and baking utensils, comprising a mixture of granular particles consisting substantially of(A) a powdered to granulated component of conventional mechanical dishwasher washing agents capable of rapidly dissolving or finely dispersing in water, and(B) a granulated component comprising finely divided, water-insoluble inorganic compounds having a particle size between dust fineness and 100 .mu., particularly under 10 .mu., granulated to a grain size of from 0.2 to 4 mm, preferably from 0.4 to 2 mm, and having a granular stability, as determined according to the method indicated in the disclosure, of a half value of 1/4 to 3 and an end value of not more than 15%.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: June 8, 1982
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Theodor Altenschopfer, Klaus Schumann, Dieter Grodau
  • Patent number: 4187121
    Abstract: A clear-rinse agent concentrate for mechanical dishwashers containing, as sheeting component, from 10% to 80% by weight of a reaction product obtained by reacting under acid catalysis conditions (1) an aldose selected from the group consisting of a reducing monosaccharide having 5 to 6 carbon atoms and an oligosaccharide thereof having from 2 to 4 monosaccharide units, with (2) a polyglycol ether having an average molecular weight of from 190 to 450, in a molar ratio of from 1:0.4 to 1:1.5; as well as the method of clear-rinsing employing said agent.
    Type: Grant
    Filed: May 17, 1978
    Date of Patent: February 5, 1980
    Assignee: Henkel Kommanditgesellschaft auf Atkien
    Inventors: Claus-Peter Herold, Dieter Grodau, Theodor Altenschopfer
  • Patent number: 4172044
    Abstract: Process for the rinsing of dishes in dishwashing machines having one or several clear-rinsing cycles using an aqueous solution of an adduct of from 2 to 14 moles of ethylene oxide and from 0 to 7 mols of propylene oxide to the monocarboxylic acid ester of an alkanediol with a linear alkane chain of 8 to 20 carbon atoms, and having vicinal hydroxyls, as well as clear-rinsing concentrates for use in the process.
    Type: Grant
    Filed: September 29, 1977
    Date of Patent: October 23, 1979
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Hunkel KGaA)
    Inventors: Ulrich Zeidler, Albertus VAN Wageningen, Dieter Grodau, Eric Sung, Theodor Altenschopfer