Patents by Inventor Karlheinz Ulrich Gerhard Hahn

Karlheinz Ulrich Gerhard 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).

  • Patent number: 10301577
    Abstract: The present invention provides the use of a composition comprising a polyalkyleneimine and/or salts or derivative thereof and an amphoteric polymer for the prevention of corrosion of non-metallic inorganic items during a washing or rinsing process, in particular during an automatic dishwashing process.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: May 28, 2019
    Assignee: RECKITT BENCKISER FINISH B.V.
    Inventors: Nicole Graf, Karlheinz Ulrich Gerhard Hahn
  • Publication number: 20150337242
    Abstract: The present invention provides the use of a composition comprising a polyalkyleneimine and/or salts or derivative thereof and an amphoteric polymer for the prevention of corrosion of non-metallic inorganic items during a washing or rinsing process, in particular during an automatic dishwashing process.
    Type: Application
    Filed: July 31, 2015
    Publication date: November 26, 2015
    Inventors: Nicole Graf, Karlheinz Ulrich Gerhard Hahn
  • Patent number: 9096816
    Abstract: The present invention provides the use of a composition comprising a polyalkyleneimine and/or salts or derivative thereof and an amphoteric polymer 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 11, 2012
    Date of Patent: August 4, 2015
    Assignee: RECKITT BENCKISER N.V.
    Inventors: Nicole Graf, Karlheinz Ulrich Gerhard Hahn
  • Publication number: 20140135247
    Abstract: The present invention provides the use of a composition comprising a polyalkyleneimine and/or salts or derivative thereof and an amphoteric polymer 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 11, 2012
    Publication date: May 15, 2014
    Applicant: Reckitt Benckiser N.V.
    Inventors: Nicole Graf, Karlheinz Ulrich Gerhard Hahn
  • Patent number: 8536107
    Abstract: Article for use in a dishwashing machine, which comprises a water-soluble glass or ceramic composition effective to reduce corrosion of glassware and at least one surfactant containing composition, wherein the amount of the glass or ceramic composition is within the range of 5 to 95 wt. % and the amount of the surfactant is in the range of 5 to 95 wt. %, both percentages based on the weight of the article.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: September 17, 2013
    Assignee: Reckitt Benckiser N.V.
    Inventor: Karlheinz Ulrich Gerhard Hahn
  • Patent number: 8216990
    Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process from detrimental effects caused by exposure to aluminum.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: July 10, 2012
    Assignee: Reckitt Benckiser N.V.
    Inventors: Karlheinz Ulrich Gerhard Hahn, Karin Werner
  • Patent number: 8097576
    Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: January 17, 2012
    Assignee: Reckitt Benckiser N.V.
    Inventor: Karlheinz Ulrich Gerhard Hahn
  • Publication number: 20110118167
    Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process from detrimental effects caused by exposure to aluminium.
    Type: Application
    Filed: January 24, 2011
    Publication date: May 19, 2011
    Applicant: Reckitt Benckiser N.V.
    Inventors: Karlheinz Ulrich Gerhard HAHN, Karin Werner
  • Publication number: 20110114127
    Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process.
    Type: Application
    Filed: January 24, 2011
    Publication date: May 19, 2011
    Applicant: Reckitt Benckiser N.V.
    Inventor: Karlheinz Ulrich Gerhard HAHN
  • Patent number: 7939483
    Abstract: Water-soluble glass as corrosion protector in dishwashing machines A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P2O5, 10 to 30 mole % of alkali oxides, up to 5 mole % of SO3 and up to 25 mole % of ZnO.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: May 10, 2011
    Assignee: Reckitt Benckiser N.V.
    Inventor: Karlheinz Ulrich Gerhard Hahn
  • Patent number: 7893013
    Abstract: Article for use in a dishwashing machine, which comprises a water-soluble glass or ceramic composition effective to reduce corrosion of glassware and at least one surfactant containing composition, wherein the amount of the glass or ceramic composition is within the range of 5 to 95 wt. % and the amount of the surfactant is in the range of 5 to 95 wt. %, both percentages based on the weight of the article.
    Type: Grant
    Filed: August 23, 2007
    Date of Patent: February 22, 2011
    Assignee: Recklett Benckiser N.V.
    Inventor: Karlheinz Ulrich Gerhard Hahn
  • Publication number: 20110039750
    Abstract: Article for use in a dishwashing machine, which comprises a water-soluble glass or ceramic composition effective to reduce corrosion of glassware and at least one surfactant containing composition, wherein the amount of the glass or ceramic composition is within the range of 5 to 95 wt. % and the amount of the surfactant is in the range of 5 to 95 wt. %, both percentages based on the weight of the article.
    Type: Application
    Filed: October 22, 2010
    Publication date: February 17, 2011
    Applicant: RECKITT BENCKISER N.V.
    Inventor: Karlheinz Ulrich Gerhard HAHN
  • Publication number: 20100186451
    Abstract: Water-soluble glass as corrosion protector in dishwashing machines A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P2O5, 10 to 30 mole % of alkali oxides, up to 5 mole % of SO3 and up to 25 mole % of ZnO.
    Type: Application
    Filed: March 31, 2010
    Publication date: July 29, 2010
    Applicant: RECKITT BENCKISER N.V.
    Inventor: KARLHEINZ ULRICH GERHARD HAHN
  • Patent number: 7741236
    Abstract: A zinc and bismuth containing, water-soluble glass composition comprising from 10 to 75 mole % P2O5, 5-50 mole % alkali metal oxide, up to 40 mole % ZnO and up to 40 mole % Bi2O3.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: June 22, 2010
    Assignee: Reckitt Benckiser N.V.
    Inventors: Karlheinz Ulrich Gerhard Hahn, Karin Werner
  • Publication number: 20090239731
    Abstract: A zinc and bismuth containing, water-soluble glass composition comprising from 10 to 75 mole % P205, 5-50 mole % alkali metal oxide, up to 40 mole % Zn0 and up to 40 mole % Bi203.
    Type: Application
    Filed: May 29, 2009
    Publication date: September 24, 2009
    Applicant: RECKITT BENCKISER N.V.
    Inventors: Karlheinz Ulrich Gerhard Hahn, KARIN WERNER
  • Publication number: 20090233834
    Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process.
    Type: Application
    Filed: May 27, 2009
    Publication date: September 17, 2009
    Applicant: RECKITT BENCKISER N.V.
    Inventor: Karlheinz Ulrich Gerhard Hahn
  • Publication number: 20090233833
    Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process from detrimental effects caused by exposure to aluminium.
    Type: Application
    Filed: May 27, 2009
    Publication date: September 17, 2009
    Applicant: RECKITT BENCKISER N.V.
    Inventors: Karlheinz Ulrich Gerhard Hahn, Karin Werner
  • Patent number: 7456142
    Abstract: A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P2O5, 10 to 30 mole % of alkali oxides, up to 5 mole % of SO3 and up to 25 mole % of ZnO.
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: November 25, 2008
    Assignee: Reckitt Benckiser N.V.
    Inventor: Karlheinz Ulrich Gerhard Hahn
  • Patent number: 7361632
    Abstract: A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P2O5, 10 to 30 mole % of alkali oxides, up to 5 mole % of SO3 and up to 25 mole % of ZnO.
    Type: Grant
    Filed: July 25, 2005
    Date of Patent: April 22, 2008
    Assignee: Reckitt Benckiser N.V.
    Inventor: Karlheinz Ulrich Gerhard Hahn
  • Patent number: 7276470
    Abstract: Article for use in a dishwashing machine, which comprises a water-soluble glass or ceramic composition effective to reduce corrosion of glassware and at least one surfactant containing composition, wherein the amount of the glass or ceramic composition is within the range of 5 to 95 wt. % and the amount of the surfactant is in the range of 5 to 95 wt. %, both percentages based on the weight of the article.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: October 2, 2007
    Assignee: Reckitt Benckiser N.V.
    Inventor: Karlheinz Ulrich Gerhard Hahn