Patents by Inventor Karlheinz Ulrich Hahn

Karlheinz Ulrich Hahn 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).

  • Automatic Dishwashing Composition Comprising Metal Corrosion Inhibitors and Bleaches
    Publication number: 20220145223
    Abstract: An automatic dishwashing product comprising a bleaching agent and a compound in accordance with formula (1) or a salt or tautomer thereof, wherein A and B are independently selected from the group consisting of H, OR1, and NHR2, wherein R1 and R2 are independently selected from the group consisting of H and C1-C4 alkyl, with the proviso that A and B are not both H and are not both OH.
    Type: Application
    Filed: March 6, 2020
    Publication date: May 12, 2022
    Applicant: Reckitt Benckiser Finish B.V.
    Inventors: Alias Younis AL-BAYATI, Karlheinz Ulrich HAHN, Rainer MÜLLER-LEIFHEIT, Torsten ROTH, Ekrem SAHINER, Claudia SCHMAELZLE
  • Composition comprising polyalkyleneimines
    Patent number: 10711223
    Abstract: The present invention provides the use of a composition comprising a polyalkyleneimine and/or salts or derivatives thereof for the prevention of corrosion of non-metallic in organic items during a washing or rinsing process, in particular during an automatic dishwashing process.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: July 14, 2020
    Assignee: RECKITT BENCKISER FINISH B.V.
    Inventors: Karlheinz Ulrich Hahn, Karin Werner
  • Composition Comprising Polyalkyleneimines
    Publication number: 20180265809
    Abstract: The present invention provides the use of a composition comprising a polylkyleneimine and/or salts or derivatives thereof for the prevention of corrosion of non-metallic in organic items during a washing or rinsing process, in particular during an automatic dishwashing process.
    Type: Application
    Filed: May 23, 2018
    Publication date: September 20, 2018
    Inventors: Karlheinz Ulrich Hahn, Karin Werner
  • Composition for using in the protection of non-metallic inorganic material
    Patent number: 9994796
    Abstract: The present invention provides the use of a composition comprising a polyalkyleneimine and/or salts or derivative thereof for the prevention of corrosion of non-metallic in organic items during a washing or rinsing process, in particular during an automatic dishwashing process.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: June 12, 2018
    Assignee: RECKITT BENCKISER FINISH B.V.
    Inventors: Karlheinz Ulrich Hahn, Karin Werner
  • COMPOSITION
    Publication number: 20110183883
    Abstract: The present invention provides the use of a composition comprising a polyalkyleneimine and/or salts or derivative thereof for the prevention of corrosion of non-metallic in organic items during a washing or rinsing process, in particular during an automatic dishwashing process.
    Type: Application
    Filed: August 14, 2009
    Publication date: July 28, 2011
    Applicant: Reckitt Benckiser N.V.
    Inventors: Karlheinz Ulrich Hahn, Karin Werner
  • Method Composition and Use
    Publication number: 20090275492
    Abstract: A method of reducing rust in an automatic dishwasher comprises providing a rust-combating composition in the cleaning cycle of the dishwasher. The rust-combating composition be an organic acid. Preferred organic acids are oxalic acid and ascorbic acid. A passivating agent may be present, for example a phosphoric acid, a phosphate or a silicate.
    Type: Application
    Filed: April 18, 2007
    Publication date: November 5, 2009
    Applicant: Reckitt Benckiser N.V.
    Inventors: Karlheinz Ulrich Hahn, Karl Ludwig Gibis, Karin Werner
  • Composition for the protection of glassware in a dishwashing process
    Publication number: 20070054824
    Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition for use in the protection of glassware in an automatic dishwashing process.
    Type: Application
    Filed: May 19, 2004
    Publication date: March 8, 2007
    Applicant: Rackitt Benckiser N.V.
    Inventor: Karlheinz Ulrich Hahn