Patents by Inventor Grit Richter

Grit Richter 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).

  • Publication number: 20070135323
    Abstract: An automatic dishwasher detergent formulation comprising:—(a) a metal complex compounds of formula (1)[LnMem,Xp] zYq wherein Me is manganese, titanium, iron, cobalt, nickel or copper, X is a coordinating or bridging radical, n and m are each independently of the other an integer having a value of from 1 to 8, p is an integer having a value of from 0 to 32, z is the charge of the metal complex, Y is a counter-ion, q=z/(charge Y), and L is a ligand of formula (2); wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and R11 are each independently of the others hydrogen; unsubstituted or substituted C1-C18alkyl or aryl; cyano; halogen; nitro; —COOR12 or —SO3R12 wherein R12 is in each case hydrogen, a cation or unsubstituted or substituted C1-C18alkyl or aryl; SR13, —SO2R13 or ?OR13 wherein R13 is in each case hydrogen or unsubstituted or substituted C1-C18alkyl or aryl; —N(R13)—NR?13R?13 wherein R13, R?13 and R?13 are as defined above for R13; —NR14NR15 or —N?R14R15R16 wherein R14, R15 and R16 are each independently
    Type: Application
    Filed: October 28, 2003
    Publication date: June 14, 2007
    Applicant: Reckitt Benckiser N.V.
    Inventors: Ralf Wiedemann, Frank Bachmann, Joseph Dannacher, Marie-Josee Dubs, Menno Hazenkamp, Grit Richter, Gunther Schlingloff, Brigitte Schmidt, Albert Schneider, Peter Wiengartner, Torsten Wieprecht
  • Patent number: 6800775
    Abstract: Novel metal complexes of tripoadal ligands are useful as catalysts to enhance the action of peroxygen compounds in washing, cleaning and disinfecting processes.
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: October 5, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Frank Bachmann, Josef Dannacher, Menno Hazenkamp, Gunther Schlingloff, Grit Richter, Helena Dbaly, Rainer Hans Traber
  • Patent number: 6737391
    Abstract: A process for preventing the redeposition of migrant dyes in a washing liquor by adding to each liter of the washing liquor, which comprises a peroxide-containing detergent, from 0.5 to 150 mg of one or more asymmetric manganese complexes of the salen type.
    Type: Grant
    Filed: May 7, 2002
    Date of Patent: May 18, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Frank Bachmann, Josef Dannacher, Cornelia Makowka, Gunther Schlingloff, Peter Weingartner, Grit Richter
  • Patent number: 6689733
    Abstract: The present invention relates to novel manganese complexes of salen ligands and the use thereof as catalysts that enhance the action of peroxy compounds in washing, cleaning, and disinfecting processes.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: February 10, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Frank Bachmann, Rachel Allemann, Josef Dannacher, Marie-Josée Dubs, Cornelia Makowka, Grit Richter, Gunther Schlingloff, Peter Weingartner, Menno Hazenkamp
  • Publication number: 20030203828
    Abstract: The present invention provides a process for inhibiting the re-absorption of migrating dyes in the wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150, preferably from 1.5 to 75, especially from 7.
    Type: Application
    Filed: March 12, 2003
    Publication date: October 30, 2003
    Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
  • Patent number: 6562775
    Abstract: The present invention provides a process for inhibiting the re-absorption of migrating dyes in the wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150 mg per liter of wash liquor, of one or more manganese containing compounds.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: May 13, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
  • Publication number: 20020183228
    Abstract: A process for preventing the redeposition of migrant dyes in a washing liquor by adding to each liter of the washing liquor, which comprises a peroxide-containing detergent, from 0.5 to 150 mg of one or more asymmetric manganese complexes of the salen type.
    Type: Application
    Filed: May 7, 2002
    Publication date: December 5, 2002
    Inventors: Frank Bachmann, Josef Dannacher, Cornelia Makowka, Gunther Schlingloff, Peter Weingartner, Grit Richter
  • Patent number: 6486110
    Abstract: The present invention provides a process for inhibiting the re-absorption of migrating dyes in the wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150, preferably from 1.5 to 75, especially from 7.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: November 26, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
  • Publication number: 20020119899
    Abstract: The present invention provides a process for inhibiting the re-absorption of migrating dyes in the wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150, preferably from 1.5 to 75, especially from 7.
    Type: Application
    Filed: February 4, 2002
    Publication date: August 29, 2002
    Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
  • Patent number: 6413926
    Abstract: A process for preventing the redeposition of migrant dyes in a washing liquor by adding to each liter of the washing liquor, which comprises a peroxide-containing detergent, from 0.5 to 150 mg of one or more asymmetric manganese complexes of the salen type.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: July 2, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Frank Bachmann, Josef Dannacher, Cornelia Makowka, Gunther Schlingloff, Peter Weingartner, Grit Richter
  • Patent number: 6399558
    Abstract: A washing and cleaning process which comprises adding to the corresponding liquor comprising a peroxide-containing washing and cleaning agent 1 to 500 millimoles per liter of liquor of one or more than one compound of the salene type.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: June 4, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Menno Hazenkamp, Frank Bachmann, Cornelia Makowka, Marie-Josée Dubs, Grit Richter, Gunther Schlingloff, Josef Dannacher
  • Patent number: 6387863
    Abstract: The inventions is drawn to mixtures of manganese complexes and organic ligands which significantly improve the bleaching effect of hydrogen peroxide in washing liquours and prevent the reabsorption of migrating dyes in peroxide-containing washing liquors.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: May 14, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Menno Hazenkamp, Frank Bachmann, Cornelia Makowka, Marie-Josée Dubs, Grit Richter, Gunther Schlingloff, Josef Dannacher, Peter Weingartner
  • Publication number: 20010053755
    Abstract: The present invention provides a process for inhibiting the re-absorption of migrating dyes in the wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150, preferably from 1.5 to 75, especially from 7.
    Type: Application
    Filed: April 13, 2001
    Publication date: December 20, 2001
    Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
  • Publication number: 20010023238
    Abstract: A process for preventing the redeposition of migrant dyes in a washing liquor by adding to each liter of the washing liquor, which comprises a peroxide-containing detergent, from 0.5 to 150 mg of one or more asymmetric manganese complexes of the salen type.
    Type: Application
    Filed: April 13, 2001
    Publication date: September 20, 2001
    Inventors: Frank Bachmann, Josef Dannacher, Cornelia Makowka, Gunther Schlingloff, Peter Weingartner, Grit Richter