Patents by Inventor Eduard Michel

Eduard Michel 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: 11940059
    Abstract: A method for determining a switching state of a valve, an inductance variable being determined on the basis of current and voltage measurements and the switching state being determined on the basis of the inductance variable. Also disclosed is a solenoid valve assembly for carrying out such a method.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: March 26, 2024
    Assignee: CONTINENTAL TEVES AG & CO. OHG
    Inventors: Alexander Michel, Dirk Morschel, Eduard Wiens
  • Publication number: 20210355298
    Abstract: The present invention relates to a process for preparing a surface treated filler material product, the surface treated filler material product as well as an article comprising the surface treated filler material product.
    Type: Application
    Filed: September 26, 2019
    Publication date: November 18, 2021
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Pierre BLANCHARD, Eduard MICHEL, Emmanuel GOUTARD
  • Patent number: 9868827
    Abstract: An inventive process for the production of a composite polymer material is provided allowing for the preparation of a composite polymer material with high filler content which may be used as a masterbatch.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: January 16, 2018
    Assignee: Omya International AG
    Inventors: Holger Müller, Jürgen Leonhardt, Jürgen Spehn, Eduard Michel
  • Publication number: 20170190848
    Abstract: An inventive process for the production of a composite polymer material is provided allowing for the preparation of a composite polymer material with high filler content which may be used as a masterbatch.
    Type: Application
    Filed: March 23, 2017
    Publication date: July 6, 2017
    Applicant: Omya International AG
    Inventors: Holger Müller, Jürgen Leonhardt, Jürgen Spehn, Eduard Michel
  • Patent number: 9637609
    Abstract: An inventive process for the production of a composite polymer material is provided allowing for the preparation of a composite polymer material with high filler content which may be used as a masterbatch.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: May 2, 2017
    Assignee: Omya International AG
    Inventors: Holger Müller, Jürgen Leonhardt, Jürgen Spehn, Eduard Michel
  • Publication number: 20160017113
    Abstract: An inventive process for the production of a composite polymer material is provided allowing for the preparation of a composite polymer material with high filler content which may be used as a masterbatch.
    Type: Application
    Filed: April 3, 2014
    Publication date: January 21, 2016
    Inventors: Holger Müller, Jürgen Leonhardt, Jürgen Spehn, Eduard Michel
  • Patent number: 7923189
    Abstract: The invention relates to hydrophobic salts of layer-like metal hydroxides, which are obtainable by adding to a layer-like metal hydroxide salt, which contains trivalent, divalent and optionally monovalent metal cations and one or more organic anions A of the formula (1) X—R—Y??(1), wherein X denotes hydrogen, hydroxyl, carboxyl, sulfato or sulfo; Y denotes carboxyl, sulfato or sulfo, and R denotes an aliphatic, cycloaliphatic, heterocycloaliphatic, olefinic, cycloolefinic, heterocycloolefinic, aromatic, heteroaromatic, araliphatic or heteroaraliphatic radical having 2 to 50 C atoms, wherein one or more substituents from the group consisting of hydroxyl, amino, halogen, C1-C22-alkyl, C1-C22-alkoxy, C1-C22-alkylene-(CO)—O—(CH2CH2O)0-50-alkyl, C1-C22-alkylene-(CO)—O—(CH2CH2O)0-50-haloalkyl, carboxyl, sulfo, nitro or cyano can be present, in dispersion, with intensive thorough mixing, one or more hydrophobic compounds from the group consisting of waxes and metal soaps in an amount of from 0.2 to 200 wt.
    Type: Grant
    Filed: May 6, 2005
    Date of Patent: April 12, 2011
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventor: Eduard Michel
  • Patent number: 7621967
    Abstract: A dye base sulfate and method of making are described. The dye base sulphate of formula (I) is produced with a residual amine content of less than 2000 ppm, as determined by HPLC, by precipitation of the dye base, made by Friedel-Crafts alkylation, substitution and hydrolysis, as the dye base sulphate is a) taken up in water and subjected to a first steam distillation then filtered and optionally dried at 50 to 180° C., b) the pressed cake is treated with water or the optionally dried dye base sulphate is moistened with water, c) subjected to a further steam distillation and filtration and d) dried at 50 to 180° C.
    Type: Grant
    Filed: October 21, 2003
    Date of Patent: November 24, 2009
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Eduard Michel, Ruediger Baur, Hans-Tobias Macholdt, Norbert Kohl
  • Patent number: 7611812
    Abstract: Layered double hydroxide salts as charge control agents in electrophotographic toners and developers, in powder coating materials, electret materials and in electrostatic separation processes of chargeable materials, such as polymers, wherein the double hydroxide salt contains monovalent and/or divalent, and also trivalent, metal cations, and also contains one or more organic anions A of the formula (I) X—R—Y??(1) wherein X is hydroxyl, carboxyl, sulfato or sulfo; Y is carboxyl, sulfato or sulfo, and R is an aliphatic, cycloaliphatic, heterocycloaliphatic, olefinic, cycloolefinic. heterocycloolefinic, aromatic, heteroaromatic, araliphatic or heteroaraliphatic radical having a total of at least 8 carbon atoms which can be substituted by one or several substituents from the group hydroxyl, amino, halogen, C1-C22-alkyl, C1-C22-alkoxy, —C1-C22-alkylene-(CO)—O—(CH2CH2O)0-50-alkyl,—C1-C22-alkylene-(CO)—O—(CH2H2O)0-50-haloalkyl, carboxy, sulfo, nitro or cyano.
    Type: Grant
    Filed: July 9, 2003
    Date of Patent: November 3, 2009
    Assignee: Clariant Produkte ( Deutschland) GmbH
    Inventors: Eduard Michel, Ruediger Baur, Hans-Tobias Macholdt
  • Patent number: 7569318
    Abstract: A layered double hydroxide salt as a charge control agent in electrophotographic toners and developers, in powder coating materials, electret materials and in electrostatic separation processes of chargeable materials, such as polymers, wherein the double hydroxide salt contains monovalent and/or divalent, and also trivalent, metal cations, and also contains organic anions A of the formulae (I) to (XXX) set forth in the specification.
    Type: Grant
    Filed: July 9, 2003
    Date of Patent: August 4, 2009
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Eduard Michel, Ruediger Baur, Hans-Tobias Macholdt
  • Publication number: 20080107986
    Abstract: A salt-like hydrophobic structured silicate, wherein the cation of the salt-like structured silicate is a low molecular weight organic cation or a combination thereof with NH4+, H3O+, alkali metal, alkaline earth metal, earth metal and/or a transition metal ion. The anion of the salt-like structured silicate is an island, ring, group, chain, band, layer or tectosilicate or a combination thereof. The structured silicate is produced by (a) reacting a structured silicate, whose cation is NH4+, H3O+, an alkali metal, alkaline earth metal, earth metal, and/or transition metal ion or a combination thereof, and whose anion of which is an island, ring, group, chain, band, layer or tectosilicate, or a combination thereof, in an aqueous dispersion with a low molecular weight organic cation; (b) adding to and intensively blending with the aqueous structured silicate dispersion a hydrophobic compound from the group of waxes and metal soaps in a quantity ranging from 0.
    Type: Application
    Filed: April 28, 2005
    Publication date: May 8, 2008
    Inventors: Eduard Michel, Ruediger Baur
  • Publication number: 20080070139
    Abstract: The invention relates to hydrophobic salts of layer-like metal hydroxides, which are obtainable by adding to a layer-like metal hydroxide salt, which contains trivalent, divalent and optionally monovalent metal cations and one or more organic anions A of the formula (I) X—R—Y??(I), wherein X denotes hydrogen, hydroxyl, carboxyl, sulfato or sulfo; Y denotes carboxyl, sulfato or sulfo, and R denotes an aliphatic, cycloaliphatic, heterocycloaliphatic, olefinic, cycloolefinic, heterocycloolefinic, aromatic, heteroaromatic, araliphatic or heteroaraliphatic radical having 2 to 50 C atoms, wherein one or more substituents from the group consisting of hydroxyl, amino, halogen, C1-C22-alkyl, C1-C22-alkoxy, C1-C22-alkylene-(CO)—O—(CH2CH2O)0-50-alkyl, C1-C22-alkylene-(CO)—O—(CH2CH2O)0-50-haloalkyl, carboxyl, sulfo, nitro or cyano can be present, in dispersion, with intensive thorough mixing, one or more hydrophobic compounds from the group consisting of waxes and metal soaps in an amount of from 0.2 to 200 wt.
    Type: Application
    Filed: May 6, 2005
    Publication date: March 20, 2008
    Inventor: Eduard Michel
  • Patent number: 7309558
    Abstract: The present invention relates to the use of salt-like structured silicates, in which the cation is NH4+, H3O+, an alkali metal, alkaline earth metal, earth metal or transition metal ion or a low molecular weight organic cation or a combination thereof and the anion is an island, cyclic, group, chain, ribbon, laminar or matrix silicate or a combination thereof as charge control agents in electrophotographic toners and developers, in powder coatings, electret materials and in electrostatic separation processes.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: December 18, 2007
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Eduard Michel, Rüdiger Baur, Hans-Tobias Macholdt
  • Publication number: 20060105265
    Abstract: The dye base sulphate of formula (I) is produced with a residual amine content of less than 2000 ppm, as determined by HPLC, by precipitation of the dye base, made by Friedel-Crafts alkylation, substitution and hydrolysis, as the dye base sulphate and a) taken up in water and subjecting to a first steam distillation then filtered and optionally dried at 50 to 180° C., b) the pressed cake is treated with water or the optionally dried dye base sulphate is moistened with water, c) subjected to a further steam distillation and filtration and d) dried at 50 to 180° C.
    Type: Application
    Filed: October 21, 2003
    Publication date: May 18, 2006
    Inventors: Eduard Michel, Ruediger Baur, Hans-Tobias Macholdt, Norbert Kohl
  • Publication number: 20060020069
    Abstract: A layered double hydroxide salt as a charge control agent in electrophotographic toners and developers, in powder coating materials, electret materials and in electrostatic separation processes of chargeable materials, such as polymers, wherein the double hydroxide salt contains monovalent and/or divalent, and also trivalent, metal cations, and also contains organic anions A of the formulae (I) to (XXX) set forth in the specification.
    Type: Application
    Filed: July 9, 2003
    Publication date: January 26, 2006
    Inventors: Eduard Michel, Ruediger Baur, Hans-Tobias Macholdt
  • Publication number: 20050277040
    Abstract: The invention relates to the use of layered double hydroxide salts as charge control agents in electrophotographic toners and developers, in coating powders, electret materials and in electrostatic separation processes, characterized in that the double hydroxide salt contains monovalent and/or bivalent and even trivalent metal cations, in addition to one or several organic anions of formula X—R—Y (I), wherein X=hydroxy, carboxy, sulphato or sulpho; Y=carboxy, sulphato or sulpho, and R=a bivalent aliphatic, cycloaliphatic, heterocycloaliphatic, olefinic, cycloolefinic, heterocycloolefinic, aromatic, heteroaromatic, araliphatic or heteroaraliphatic radical having at least 8 C atoms which can be substituted by one or several substituents from the group of hydroxy, amino, halogen, C1-C22-alkyl, C1-C22-alkoxy, carboxy, sulpho, nitro or cyano.
    Type: Application
    Filed: July 9, 2003
    Publication date: December 15, 2005
    Inventors: Eduard Michel, Ruediger Baur, Hans-Tobias Macholdt
  • Patent number: 6406528
    Abstract: The present invention relates to the use of a CuPc composition consisting essentially of CuPc, e.g., C.I. Pigment Blue 15:3, and a hydroxymethylphthalimido CuPc, as a colorant in electrophotographic toners and developers, powders and powder coating materials, electret materials, inkjet inks, and color filters, wherein the phthalocyanines have a particle morphology with an average length-to-width ratio of more than 2.5:1.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: June 18, 2002
    Assignee: Clariant GmbH
    Inventors: Hans-Tobias Macholdt, Ruediger Baur, Eduard Michel, Josef Geisenberger, Heidemarie Menzel, Andreas Harz
  • Publication number: 20020062763
    Abstract: The present invention relates to the use of a CuPc composition consisting essentially of CuPc, e.g., C.I. Pigment Blue 15:3, and a hydroxymethylphthalimido CuPc, as a colorant in electrophotographic toners and developers, powders and powder coating materials, electret materials, inkjet inks, and color filters, wherein the phthalocyanines have a particle morphology with an average length-to-width ratio of more than 2.5:1.
    Type: Application
    Filed: November 16, 2001
    Publication date: May 30, 2002
    Inventors: Hans-Tobias Macholdt, Ruediger Baur, Eduard Michel, Josef Geisenberger, Heidemarie Menzel, Andreas Harz
  • Patent number: 6391507
    Abstract: The present invention relates to the use of a CuPc composition consisting essentially of CuPc, e.g., C.I. Pigment Blue 15:3, and a hydroxymethylphthalimido CuPc, as a colorant in electrophotographic toners and developers, powders and powder coating materials, electret materials, inkjet inks, and color filters, wherein the phthalocyanines have a particle morphology with an average length-to-width ratio of more than 2.5:1.
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: May 21, 2002
    Assignee: Clariant GmbH
    Inventors: Hans-Tobias Macholdt, Ruediger Baur, Eduard Michel, Josef Geisenberger, Heidemarie Menzel, Andreas Harz
  • Publication number: 20020028401
    Abstract: Iron azo complex compounds of the formula (I) are used as charge control agents in electrophotographic toners and developers, in powder coating materials, electret materials and in electrostatic separation processes, in inkjet inks and in color filters.
    Type: Application
    Filed: June 28, 2001
    Publication date: March 7, 2002
    Applicant: Clariant GmbH
    Inventors: Hans-Tobias Macholdt, Eduard Michel, Ruediger Baur, Dominique Pflieger, Bansi Lai Kaul