Patents by Inventor Heidemarie Menzel

Heidemarie Menzel 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: 7297200
    Abstract: A dye of the formula (2) and a process for preparing the same, wherein the radicals are as defined in the specification
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: November 20, 2007
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Andreas Wuzik, Josef Geisenberger, Heidemarie Menzel
  • Patent number: 7285592
    Abstract: The invention relates to an aqueous pigment preparation containing an organic and/or inorganic pigment dispersed in an acrylate resin solution and a dispersion agent. The preparation is characterized in that the acrylate resin is a copolymer consisting essentially of between 50 and 80 mol % of monoalkenyl aromatic compounds and between 20 and 50 mol % of acrylates, and has an average molar mass Mv of between 1,000 and 50,000 g/mol, and in that the dispersion agent is a compound of formula (I): R—O—(CH2-CH2—O)m—CH2—COOM, wherein R is a C10-C20 alkyl radical or a C10-C20 alkenyl radical, m is a number between 1 and 15, and M is a monovalent cation.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: October 23, 2007
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Andreas Harz, Heidemarie Menzel, Hans-Tobias Macholdt, Michael Mueller
  • Publication number: 20060229382
    Abstract: The invention relates to aqueous coloring agent preparations essentially comprising (A) 0.1% to 50% by weight at least one organic and/or inorganic colorant, (B) 0.1% to 30% by weight of at least one succinamate, (C) 0.1% to 30% by weight of at least one polyethylene glycol alkyl ether, (D) 0% to 30% by weight of at least one alkoxylated styrene-phenol condensate, (E) 0% to 30% by weight of at least one organic solvent, (F) 0% to 30% by weight of at least one hydrotropic substance, (G) 0% to 10% by weight of other additives commonly used for inkjet preparations, and (H) 10% to 90% by weight of deionized water, the percentages being in relation to the total weight (100% by weight) of the coloring agent preparation. The inventive coloring agent preparations are particularly suitable for use in inkjet inks.
    Type: Application
    Filed: April 8, 2004
    Publication date: October 12, 2006
    Inventors: Karl-Heinz Schweikart, Andreas Harz, Martin Winter, Heidemarie Menzel
  • Patent number: 7066993
    Abstract: The invention relates to a colorant composition that substantially comprises a colorant of formula (1) and a colorant formula (2) or (3). The magenta colorant mixture is advantageously used in ink-jet printing and yields storage-stable and water-proof ink formulations.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: June 27, 2006
    Assignee: Clariant GmbH
    Inventors: Andreas Wuzik, Josef Geisenberger, Heidemarie Menzel
  • Patent number: 7060124
    Abstract: The invention relates to a dye mixture consisting essentially of one dye of formula (4) and a dye of formula (5).
    Type: Grant
    Filed: July 5, 2002
    Date of Patent: June 13, 2006
    Assignee: Clariant GmbH
    Inventors: Andreas Wuzik, Josef Geisenberger, Heidemarie Menzel
  • Patent number: 7008475
    Abstract: The invention relates to aqueous colorant preparations containing A) between 0.1 and 50 wt. % of at least one organic and/or inorganic pigment and/or at least one organic colorant. B) between 0.01 and 80 wt. % of at least one naphthol-oxyalkylate sulfopropyl ether, one alkanol-oxyalkylate sulfopropyl ether or one alkylphenol-oxyalkylate sulfopropyl ether. C) between 0 and 30 wt. % of at least one organic solvent. D) between 0 and 20 wt. % of other standard derivatives and E) between 10 and 90 wt % of water, respectively in relation to the total weight (100%) of the colorant preparation. The colorant preparation is used, for example, in printing inks, especially ink jet printing inks.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: March 7, 2006
    Assignee: Clariant GmbH
    Inventors: Rudolf Randler, Ulrike Rohr, Josef Geisenberger, Ruediger Baur, Hans-Tobias Macholdt, Heidemarie Menzel
  • Publication number: 20050090654
    Abstract: A dye of the formula (2) and a process for preparing the same, wherein the radicals are as defined in the specification.
    Type: Application
    Filed: February 3, 2003
    Publication date: April 28, 2005
    Inventors: Andreas Wuzik, Josef Geisenberger, Heidemarie Menzel
  • Publication number: 20040233262
    Abstract: The invention relates to colorant preparations that essentially consist of A) 0.1 to 50% by weight, preferably 1 to 30% by weight, of at least one dye from the group of organic pigments. inorganic pigments and organic dyes, B) 0.01 to 80% by weight, preferably 0.1 to 50% by weight, of at least one water-soluble dispersing agent on the basis of an acid-free block polymethacrylic acid ester/block polyethylenoxide copolymer, C) 0 to 30% by weight, preferably 0.1 to 15% by weight, of at least one organic solvent, D) 0 to 20% by weight, preferably 0.1 to 5% by weight, of further conventional additives, E) 10 to 90% by weight, preferably 20 to 60% by weight, of water, each based on the total weight of the colorant preparation (100% by weight). The invention is useful in a variety of colorant preparations including printing inks, especially in ink-jet inks.
    Type: Application
    Filed: July 13, 2004
    Publication date: November 25, 2004
    Inventors: Rudolf Randler, Ulrike Rohr, Josef Geisenberger, Ruediger Baur, Hans-Tobias Macholdt, Heidemarie Menzel
  • Publication number: 20040206271
    Abstract: The invention relates to aqueous colorant preparations containing A) between 0.1 and 50 wt. % of at least one organic and/or inorganic pigment and/or at least one organic colorant. B) between 0.01 and 80 wt. % of at least one naphthol-oxyalkylate sulfopropyl ether, one alkanol-oxyalkylate sulfopropyl ether or one alkylphenol-oxyalkylate sulfopropyl ether. C) between 0 and 30 wt. % of at least one organic solvent. D) between 0 and 20 wt. % of other standard derivatives and E) between 10 and 90 wt % of water, respectively in relation to the total weight (100%) of the colorant preparation. The colorant preparation is used, for example, in printing inks, especially ink jet printing inks.
    Type: Application
    Filed: January 8, 2004
    Publication date: October 21, 2004
    Inventors: Rudolf Randler, Ulrike Rohr, Josef Geisenberger, Ruediger Baur, Hans-Tobias Macholdt, Heidemarie Menzel
  • Publication number: 20040171738
    Abstract: The invention relates to an aqueous pigment preparation containing an organic and/or inorganic pigment dispersed in an acrylate resin solution and a dispersion agent. The preparation is characterised in that the acrylate resin is a copolymer consisting essentially of between 50 and 80 mol % of monoalkenyl aromatic compounds and between 20 and 50 mol % of acrylates, and has an average molar mass Mv of between 1,000 and 50,000 g/mol, and in that the dispersion agent is a compound of formula (I): R—O—(CH2—CH2—O)m—CH2—COOM, wherein R is a C10-C20 alkyl radical or a C10-C20 alkenyl radical, m is a number between 1 and 15, and M is a monovalent cation.
    Type: Application
    Filed: January 16, 2004
    Publication date: September 2, 2004
    Inventors: Andreas Harz, Heidemarie Menzel, Hans-Tobias Macholdt, Michael Mueller
  • Publication number: 20040128775
    Abstract: The invention relates to a dye mixture essentially consisting of one dye of formula (4) and a dye of formula (5). The black dye mixture is advantageously used for ink jet printing and provides high light-resisting and neutral black ink formulations.
    Type: Application
    Filed: November 21, 2003
    Publication date: July 8, 2004
    Inventors: Andreas Wuzik, Josef Geisenberger, Heidemarie Menzel
  • Publication number: 20040074018
    Abstract: The invention relates to a colorant composition that substantially comprises a colorant of formula (1) and a colorant formula (2) or (3). The magenta colorant mixture is advantageously used in ink-jet printing and yields storage-stable and water-proof ink formulations.
    Type: Application
    Filed: August 11, 2003
    Publication date: April 22, 2004
    Inventors: Andreas Wuzik, Josef Geisenberger, Heidemarie Menzel
  • Patent number: 6596067
    Abstract: A colorant mixture of C.I. Acid Red 289 and C.I. Reactive Red 23 and optionally a shading colorant is used for magenta recording fluids.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: July 22, 2003
    Assignee: Clariant GmbH
    Inventors: Heidemarie Menzel, Josef Geisenberger, Andreas Wuzik
  • Patent number: 6464768
    Abstract: The invention relates to a dye in which R1 is hydrogen, alkyl of 1 to 4 carbon atoms, or alkoxy of 1 to 4 carbon atoms; R2 is hydrogen, carboxyl, chloro or nitro; R21 is hydrogen; or R2 and R21 together form a benzene ring which is fused on in positions 3 and 4 of the ring A and can carry 1, 2 or 3 sulfo groups; m is a number from 0 to 1; n is a number from 1 to 2; M+ is a cation or a mixture of different cations, at least one equivalent of the cations M+ per mole of the dye being lithium cations and/or cations of the formula (II) where p is a number from 1 to 30; X is CH2CH2, CH(CH3)CH2, CH2CH(CH3) or a combination thereof and R3, R4 and R5 independently of one another are hydrogen, a group of the formula (III) —(—X—O—)pH  (III) or an aliphatic radical of 1 to 18 carbon atoms. Dyes of the formula (I) are particularly suitable as colorants in inkjet inks.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: October 15, 2002
    Assignee: Clariant GmbH
    Inventors: Wolfgang Bauer, Heidemarie Menzel, Josef Geisenberger, Reinhard Pedrazzi
  • Patent number: 6432185
    Abstract: The present invention provides water-soluble acid dyes of the formula (1) in which R1 is A—X—COOM, A—X—SO3M, OR4 or NR5R6, A is NR7 or S, X is a (C1-C16)-alkylene or arylene radical optionally substituted with hydroxyl-, carboxyl- or amino-groups; R4, R5 and R6 independently of one another are hydrogen or (C1-C4)-alkyl or substituted (C1-C4)-alkyl R7 is hydrogen, methyl or ethyl; M is a cation and n is 0 or 1. which are suitable for printing natural and synthetic fiber materials for recording liquids, especially for the inkjet process, and for pulp-dyeing paper.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: August 13, 2002
    Assignee: Clariant GmbH
    Inventors: Wolfgang Bauer, Josef Geisenberger, Heidemarie Menzel, Reinhard Pedrazzi
  • Patent number: 6406527
    Abstract: The present invention provides water-soluble acid dyes of the formula (I) in which R1, R2 and R3 independently of one another are A—X—COOM, A—X—SO3M, OR4 or NR5R6, A is NR7or S, X is a straight-chain or branched (C1-C16)-alkylene radical, a straight-chain or branched, hydroxyl-, carboxyl- or amino-substituted (C1-C16)-alkylene radical, an arylene radical or a hydroxyl-, carboxyl- or sulfo-substituted arylene radical; R4, R5, and R6 independently of one another are hydrogen or (C1-C4)-alkyl or are (C1-C4)-alkyl substituted by one or more hydroxyl, 2-hydroxyethoxy, (C1-C4)-alkoxy or amino groups, R7 is hydrogen, methyl or ethyl; M is a monovalent cation or one equivalent of a polyvalent cation, and which are suitable for printing natural and synthetic fiber materials for recording liquids, especially for the inkjet process, and for pulp-dyeing paper.
    Type: Grant
    Filed: March 13, 2000
    Date of Patent: June 18, 2002
    Assignee: Clariant GmbH
    Inventors: Wolfgang Bauer, Josef Geisenberger, Heidemarie Menzel, Reinhard Pedrazzi
  • 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: 20020011179
    Abstract: A colorant mixture of C.I. Acid Red 289 and C.I. Reactive Red 23 and optionally a shading colorant is used for magenta recording fluids.
    Type: Application
    Filed: July 3, 2001
    Publication date: January 31, 2002
    Applicant: Clariant GmbH
    Inventors: Heidemarie Menzel, Josef Geisenberger, Andreas Wuzik