Patents by Inventor Gerd Reinhardt

Gerd Reinhardt 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: 9902921
    Abstract: The invention relates to a bleach catalyst granules containing a metal-containing bleach catalyst, which comprises at least one ligand selected from the group comprising di- or trimethyltriazcyclononanes or derivatives therefrom, and a homo- or copolymer polycarboxylate, salts thereof or partially neutralized having a pH-value of between 3 and 9. Said granules are produced in an anhydrous granulation process, in particular by compacting, the treatment temperature being maintained at below 100° C.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: February 27, 2018
    Assignee: WEYLCHEM WIESBADEN GMBH
    Inventors: Gerd Reinhardt, Michael Best, Miriam Ladwig, Andreas Schottstedt, Mathias Groeschen, Sven Gebhard
  • Patent number: 9902922
    Abstract: The invention relates to a bleaching-agent co-granule containing a bleach activator, a metal-containing bleach catalyst comprising at least one ligand from the group consisting of di- or trimethyltriazacyclononane and derivatives of these, and a homo- or copolymeric polycarboxylate or its salts or partial neutralizates having a pH in the range from 3 to 9. The bleaching-agent co-granule is obtained in an anhydrous granulating process, preferably by compaction at a temperature below 100° C. The invention also relates to the method of using the bleaching-agent co-granule in dishwasher detergents and to a detergent comprising said bleaching-agent co-granule.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: February 27, 2018
    Assignee: WEYLCHEM WIESBADEN GMBH
    Inventors: Gerd Reinhardt, Michael Best, Miriam Ladwig, Andreas Schottstedt, Mathias Groeschen, Sven Gebhard
  • Publication number: 20160152929
    Abstract: The invention relates to a bleaching-agent co-granule containing a bleach activator, a metal-containing bleach catalyst comprising at least one ligand from the group consisting of di- or trimethyltriazacyclononane and derivatives of these, and a homo- or copolymeric polycarboxylate or its salts or partial neutralizates having a pH in the range from 3 to 9. The bleaching-agent co-granule is obtained in an anhydrous granulating process, preferably by compaction at a temperature below 100° C. The invention also relates to the method of using the bleaching-agent co-granule in dishwasher detergents and to a detergent comprising said bleaching-agent co-granule.
    Type: Application
    Filed: May 9, 2014
    Publication date: June 2, 2016
    Inventors: Gerd REINHARDT, Michael BEST, Miriam LADWIG, Andreas SCHOTTSTEDT, Mathias GROESCHEN, Sven GEBHARD
  • Publication number: 20160145541
    Abstract: The invention relates to a bleach catalyst granules containing a metal-containing bleach catalyst, which comprises at least one ligand selected from the group comprising di- or trimethyltriazcyclononanes or derivatives therefrom, and a homo- or copolymer polycarboxylate, salts thereof or partially neutralized having a pH-value of between 3 and 9. Said granules are produced in an anhydrous granulation process, in particular by compacting, the treatment temperature being maintained at below 100° C.
    Type: Application
    Filed: May 9, 2014
    Publication date: May 26, 2016
    Inventors: Gerd REINHARDT, Michael BEST, Miriam LADWIG, Andreas SCHOTTSTEDT, Mathias GROESCHEN, Sven GEBHARD
  • Patent number: 9102903
    Abstract: The invention relates to the use of manganese or iron complexes which, as well as a tetraoxolene unit, contain two macrocyclic, N-containing ligands, especially cyclen or cyclam ligands, in washing and cleaning compositions in the form of granules or powder or solution or suspension for bleaching of colored stains both on textiles and on hard surfaces. The invention also relates to washing and cleaning compositions which comprise such complexes as bleach activators and to the use thereof for textile washing or for dishwashing detergents and other uses in personal care and other areas.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: August 11, 2015
    Assignee: WEYLCHEM SWITZERLAND AG
    Inventors: Gerd Reinhardt, Werner Janitschek, Miriam Ladwig
  • Patent number: 9012630
    Abstract: The invention relates to a method for producing manganese complex compounds of the general formula (1), wherein M, X, L, z, Y and q are defined as in claim 1.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: April 21, 2015
    Assignee: Clariant International Ltd.
    Inventors: Gerd Reinhardt, Michael Best, Christian Sidot
  • Patent number: 8980127
    Abstract: The invention relates to a method for producing homogeneous solutions of metal complexes of general formula (2): [MaLxXn]Ym, where M is a metal from the group comprising Mn(II), Mn(III), Mn(IV), Fe(III), Fe(III) or Fe(IV), X is a coordinated compound selected from mono- bi- or tri-charged anions or neutral molecules which are able to coordinate with a metal mono- bi- or tri-dentate, Y is a non-coordinated counter-ion which ensures charge equalization of the complex, L is a ligand of general formula (1) or the protonized or de-protonized form thereof, and a, x, n, m, R, R1, R2, R3 and z are as specified in claim 1, in diols or polyols, the monoethers or mixtures of said substances. Said method is characterized in that a ligand of the formula (1) is reacted with an iron or manganese salt in a heterogeneous reaction in the diol or polyol, the monoethers or mixtures of these substances.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: March 17, 2015
    Assignee: Clariant International Ltd.
    Inventors: Gerd Reinhardt, Miriam Ladwig
  • Patent number: 8927478
    Abstract: The invention relates to the use of manganese oxalates in detergents and cleaning agents, in particular in cleaning agents containing peroxy compounds for hard surfaces.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: January 6, 2015
    Assignee: Clariant International Ltd.
    Inventors: Gerd Reinhardt, Michael Best, Joachim Erbes
  • Patent number: 8907118
    Abstract: The invention relates to a method for producing acyloxy benzoic acids of the formula (I), in which R1 is a linear or branched saturated alkyl group with 6 to 30 carbon atoms, a linear or branched mono- or polyunsaturated alkenyl group with 6 to 30 carbon atoms, or an aryl group with 6 to 30 carbon atoms. The acyloxy benzoic acids of the formula (I) are produced from para-hydroxy benzoic acid and a corresponding carboxylic acid halide in the presence of an alkali hydroxide.
    Type: Grant
    Filed: August 6, 2011
    Date of Patent: December 9, 2014
    Assignee: Clariant International Ltd.
    Inventors: Melanie Sajitz, Gerd Reinhardt, Isabel Scheffer, Werner Janitschek, Ina Herrgen
  • Patent number: 8889611
    Abstract: The invention relates to compounds in solid form, containing a) one or more manganese complex compounds of the general formula (1), where M is independently selected from manganese in the III or IV oxidation state, X is independently a co-ordinating or bridging species selected from H2O, O22?, O2?, O2?, OH?, HO2?, SH?, S2?, SO, Cl?, N3?, SCN?, N3?, RCOO?, NH2? and NR3, where R is a radical selected from H, alkyl and aryl, L are independently organic ligands, each of which contains at least two nitrogen atoms co-ordinated on manganese, z is an integer from ?4 to +4, Y is a monovalent or multivalent counter-ion selected from chloride, sulphate, hydrogen sulphate, nitrate and acetate, which leads to charge neutrality of the complex, and q is an integer from 1 to 4, and b) one or more salts of the general formula R?—C6H4—SO3Me, where R? is CH3 or C2H5 and denotes Me, Na, K, Ca or Mg, characterized in that the molar ratio of the manganese complex compound of the general formula (1) to salt of the general formula R
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: November 18, 2014
    Assignee: Clariant International Ltd
    Inventors: Gerd Reinhardt, Michael Best
  • Patent number: 8883704
    Abstract: The invention relates to co-granules containing a) at least one bleach activator, b) at least one metal-containing bleach catalyst, and c) at least 5 wt. % of at least one organic acid. The co-granules are easy to produce, have a high stability in storage and are advantageously suitable for producing cleaning products and detergents and especially products for cleaning crockery in a machine.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: November 11, 2014
    Assignee: Clariant International Ltd.
    Inventors: Georg Borchers, Gerd Reinhardt, Andreas Schottstedt
  • Patent number: 8846921
    Abstract: The invention relates to a method for producing metal complexes of formula (2) [MaLxXn]Ym (2), where M is a metal from the group consisting of Mn(II), Mn(III), Mn(IV), Fe(II), Fe(III) or Fe(IV), X is a coordinating compound selected from mono-, bi- or tri-charged anions or neutral molecules which can coordinate to a metal in mono-, bi- or tri-dentate form, Y represents a non-coordinating counter-ion which ensures charge equalization of the complex, L represents a ligand of formula (1) or the protonized or de-protonized form thereof, and a, x, n, m, R, R1, R2, R3 and z have the meanings described in claim 1. Said method is characterized in that the reaction of one or more ligands of formula (1) with an iron salt or manganese salt is carried out in an acetone/water mixture in a temperature range from 0 to 50° C.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: September 30, 2014
    Assignee: Clariant Finance (Bvt) Ltd
    Inventors: Christian Sidot, Audrey Caron, Miriam Ladwig, Gerd Reinhardt
  • Publication number: 20140114073
    Abstract: The invention relates to a method for producing metal complexes of formula (2) [MaLxXn]Ym (2), where M is a metal from the group consisting of Mn(II), Mn(III), Mn(IV), Fe(II), Fe(III) or Fe(IV), X is a coordinating compound selected from mono-, bi- or tri-charged anions or neutral molecules which can coordinate to a metal in mono-, bi- or tri-dentate form, Y represents a non-coordinating counter-ion which ensures charge equalization of the complex, L represents a ligand of formula (1) or the protonized or de-protonized form thereof, and a, x, n, m, R, R1, R2, R3 and z have the meanings described in claim 1. Said method is characterized in that the reaction of one or more ligands of formula (1) with an iron salt or manganese salt is carried out in an acetone/water mixture in a temperature range from 0 to 50° C.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 24, 2014
    Applicants: CLARIANT SPECIALTY FINE CHEMICALS (FRANCE), CLARIANT FINANCE (BVI) LIMITED
    Inventors: Christian Sidot, Audrey Caron, Miriam Ladwig, Gerd Reinhardt
  • Publication number: 20140005091
    Abstract: The invention relates to the use of manganese or iron complexes which, as well as a tetraoxolene unit, contain two macrocyclic, N-containing ligands, especially cyclen or cyclam ligands, in washing and cleaning compositions in the form of granules or powder or solution or suspension for bleaching of coloured stains both on textiles and on hard surfaces. The invention also relates to washing and cleaning compositions which comprise such complexes as bleach activators and to the use thereof for textile washing or for dishwashing detergents and other uses in personal care and other areas.
    Type: Application
    Filed: February 3, 2012
    Publication date: January 2, 2014
    Applicant: CLARIANT INTERNATIONAL LTD.
    Inventors: Gerd Reinhardt, Werner Janitschek, Miriam Ladwig
  • Publication number: 20130217911
    Abstract: The invention relates to a method for producing acyloxy benzoic acids of the formula (I), in which R1 is a linear or branched saturated alkyl group with 6 to 30 carbon atoms, a linear or branched mono- or polyunsaturated alkenyl group with 6 to 30 carbon atoms, or an aryl group with 6 to 30 carbon atoms. The acyloxy benzoic acids of the formula (I) are produced from para-hydroxy benzoic acid and a corresponding carboxylic acid halide in the presence of an alkali hydroxide.
    Type: Application
    Filed: August 6, 2011
    Publication date: August 22, 2013
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Melanie Sajitz, Gerd Reinhardt, Isabel Scheffer, Werner Janitschek, Ina Herrgen
  • Patent number: 8486881
    Abstract: The invention relates to co-granules containing a granule core and a sheath or coating layer surrounding the granule core. Said co-granules are characterized in that the granule core contains a) at least one bleach activator, a2) between 0 and 20 wt. % of the total quantity of at least one bleach catalyst contained in the co-granule, and c) at least one binding agent, and the sheath or coating layer contains d) between 80 and 100 wt. % of the total quantity of the at least one bleach catalyst contained in the co-granule, and e) at least one coating agent. The co-granules are advantageously suitable for producing cleaning products and detergents and especially products for washing crockery in a machine.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: July 16, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Georg Borchers, Gerd Reinhardt, Andreas Schottstedt
  • Patent number: 8426635
    Abstract: A process for preparing solid alkaline earth metal salts of secondary paraffinsulphonic acids is claimed. This process comprises converting an aqueous solution of a secondary paraffinsulphonic acid and an alkaline earth metal hydroxide into solid form by spray drying.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: April 23, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Gerd Reinhardt, Peter Naumann, Georg Borchers, Mathias Groeschen
  • Patent number: 8426642
    Abstract: The invention relates to a method for isolating concentrated paraffin sulfonic acids from reaction mixtures that are produced during the sulfoxidation of n-paraffins, from which a major part of the sulfuric acid and the paraffin was removed by phase separation and which contain, in addition to the free paraffin sulfonic acids, n-paraffins, water and optionally minor amounts of sulfuric acids. The method according to the invention is characterized by removing paraffin and optionally residual water by vacuum distillation. The paraffin sulfonic acids obtained by distillation have a content of more than 85% by weight of the active substance. The material is pale, odorless and low in sulfuric acid and paraffin.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: April 23, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Gerd Reinhardt, Peter Naumann, Lars Cuypers
  • Publication number: 20130072685
    Abstract: The invention describes a process for producing metal complexes of the general formula (2): [MaLxXn]Ym (2), where M is a metal from the group comprising Mn(II), Mn(III), Mn(IV), Fe(II), Fe(III) or Fe(IV), X is a coordinated compound selected from mono- bi- or tri-charged anions or neutral molecules which are able to coordinate with a metal mono- bi- or tri-dentate, Y represents a non-coordinated counter-ion which ensures charge equalization of the complex, L represents a ligand of the general formula (1) or the protonized or de-protonized form thereof, and a, x, n, m, R, R1, R2, R3 and z have the meaning specified in claim 1. Said process is characterized in that the reaction of a ligand of the formula (1) with an iron or manganese salt in a heterogeneous reaction is carried out in water, where the reaction is carried out in a temperature range of 35 to 50° C. and the pH value of the reaction mixture is from 1 to 3 after the addition of the iron or manganese salt.
    Type: Application
    Filed: January 28, 2011
    Publication date: March 21, 2013
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Gerd Reinhardt, Miriam Ladwig, Michael Best, Thorsten Schneider, Ernst Spicker
  • Publication number: 20130032754
    Abstract: The invention relates to a method for producing homogeneous solutions of metal complexes of general formula (2): [MaLxXn]Ym, where M is a metal from the group comprising Mn(II), Mn(III), Mn(IV), Fe(III), Fe(III) or Fe(IV), X is a coordinated compound selected from mono- bi- or tri-charged anions or neutral molecules which are able to coordinate with a metal mono- bi- or tri-dentate, Y is a non-coordinated counter-ion which ensures charge equalization of the complex, L is a ligand of general formula (1) or the protonized or de-protonized form thereof, and a, x, n, m, R, R1, R2, R3 and z are as specified in claim 1, in diols or polyols, the monoethers or mixtures of said substances. Said method is characterized in that a ligand of the formula (1) is reacted with an iron or manganese salt in a heterogeneous reaction in the diol or polyol, the monoethers or mixtures of these substances.
    Type: Application
    Filed: January 28, 2011
    Publication date: February 7, 2013
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Gerd Reinhardt, Miriam Ladwig