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).
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Publication number: 20070135323Abstract: 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 independentlyType: ApplicationFiled: October 28, 2003Publication date: June 14, 2007Applicant: 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
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Patent number: 6800775Abstract: Novel metal complexes of tripoadal ligands are useful as catalysts to enhance the action of peroxygen compounds in washing, cleaning and disinfecting processes.Type: GrantFiled: January 10, 2002Date of Patent: October 5, 2004Assignee: Ciba Specialty Chemicals CorporationInventors: Frank Bachmann, Josef Dannacher, Menno Hazenkamp, Gunther Schlingloff, Grit Richter, Helena Dbaly, Rainer Hans Traber
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Patent number: 6737391Abstract: 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: GrantFiled: May 7, 2002Date of Patent: May 18, 2004Assignee: Ciba Specialty Chemicals CorporationInventors: Frank Bachmann, Josef Dannacher, Cornelia Makowka, Gunther Schlingloff, Peter Weingartner, Grit Richter
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Patent number: 6689733Abstract: 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: GrantFiled: September 5, 2001Date of Patent: February 10, 2004Assignee: Ciba Specialty Chemicals CorporationInventors: Frank Bachmann, Rachel Allemann, Josef Dannacher, Marie-Josée Dubs, Cornelia Makowka, Grit Richter, Gunther Schlingloff, Peter Weingartner, Menno Hazenkamp
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Publication number: 20030203828Abstract: 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: ApplicationFiled: March 12, 2003Publication date: October 30, 2003Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
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Patent number: 6562775Abstract: 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: GrantFiled: February 4, 2002Date of Patent: May 13, 2003Assignee: Ciba Specialty Chemicals CorporationInventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
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Publication number: 20020183228Abstract: 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: ApplicationFiled: May 7, 2002Publication date: December 5, 2002Inventors: Frank Bachmann, Josef Dannacher, Cornelia Makowka, Gunther Schlingloff, Peter Weingartner, Grit Richter
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Patent number: 6486110Abstract: 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: GrantFiled: April 13, 2001Date of Patent: November 26, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
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Publication number: 20020119899Abstract: 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: ApplicationFiled: February 4, 2002Publication date: August 29, 2002Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
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Patent number: 6413926Abstract: 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: GrantFiled: April 13, 2001Date of Patent: July 2, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Frank Bachmann, Josef Dannacher, Cornelia Makowka, Gunther Schlingloff, Peter Weingartner, Grit Richter
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Patent number: 6399558Abstract: 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: GrantFiled: September 4, 2001Date of Patent: June 4, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Menno Hazenkamp, Frank Bachmann, Cornelia Makowka, Marie-Josée Dubs, Grit Richter, Gunther Schlingloff, Josef Dannacher
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Patent number: 6387863Abstract: 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: GrantFiled: September 4, 2001Date of Patent: May 14, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Menno Hazenkamp, Frank Bachmann, Cornelia Makowka, Marie-Josée Dubs, Grit Richter, Gunther Schlingloff, Josef Dannacher, Peter Weingartner
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Publication number: 20010053755Abstract: 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: ApplicationFiled: April 13, 2001Publication date: December 20, 2001Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
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Publication number: 20010023238Abstract: 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: ApplicationFiled: April 13, 2001Publication date: September 20, 2001Inventors: Frank Bachmann, Josef Dannacher, Cornelia Makowka, Gunther Schlingloff, Peter Weingartner, Grit Richter