Patents by Inventor Christian Sprogar

Christian Sprogar 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: 11911927
    Abstract: A description is given of a wood-encased pencil comprising a casing and a core, the casing consisting of wood material impregnated with a saccharide component, the saccharide component comprising at least one mono-, di- or oligosaccharide in solution in a vehicle.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: February 27, 2024
    Inventors: Christian Sprogar, Ingolf Kahle, Thomas Heidenreiter
  • Publication number: 20230165760
    Abstract: A method for producing a powder lead is disclosed, wherein at least one colourant, at least one filler and at least one binder are mixed with a carrier liquid, leads are shaped from the wet compound, the leads shaped instep b) are guided through a chamber in which they are exposed to a pulverulent covering agent, and the powdered leads are guided into a drying apparatus and dried therein.
    Type: Application
    Filed: January 13, 2023
    Publication date: June 1, 2023
    Inventors: Katrin Hollmann-Raabe, Tamara Segets, Markus Schmitt, Irina Künstler, Stefan Mozer, Reinhard Pinzer, Christian Sprogar, Thomas Stadter
  • Patent number: 11648185
    Abstract: A method for producing a powder lead is disclosed, wherein at least one colourant, at least one filler and at least one binder are mixed with a carrier liquid, leads are shaped from the wet compound, the leads shaped in step b) are guided through a chamber in which they are exposed to a pulverulent covering agent, and the powdered leads are guided into a drying apparatus and dried therein.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: May 16, 2023
    Inventors: Katrin Hollmann-Raabe, Tamara Segets, Markus Schmitt, Irina Künstler, Stefan Mozer, Reinhard Pinzer, Christian Sprogar, Thomas Stadter
  • Publication number: 20220362134
    Abstract: A process for the production of a solid cosmetic preparation is described wherein a wax phase comprising at least one wax, at least one oil, and if applicable, oil-soluble ingredients and solvents are melted, the molten wax phase is mixed with an aqueous phase comprising at least one water-soluble or water-soluble water-dispersible film former and with a w/o emulsifying system until an emulsion is formed, and the resulting emulsion is allowed to cool to form a wax matrix with aqueous phase droplets embedded therein, and the products made therefrom and their use.
    Type: Application
    Filed: July 31, 2022
    Publication date: November 17, 2022
    Inventors: Ingolf KAHLE, Simona LEBOK, Christian SPROGAR
  • Patent number: 11433017
    Abstract: A process for the production of a solid cosmetic preparation is described wherein a wax phase comprising at least one wax, at least one oil, and if applicable, oil-soluble ingredients and solvents are melted, the molten wax phase is mixed with an aqueous phase comprising at least one water-soluble or water-soluble water-dispersible film former and with a w/o emulsifying system until an emulsion is formed, and the resulting emulsion is allowed to cool to form a wax matrix with aqueous phase droplets embedded therein, and the products made therefrom and their use.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: September 6, 2022
    Inventors: Ingolf Kahle, Simona Lebok, Christian Sprogar
  • Publication number: 20210260789
    Abstract: A description is given of a wood-encased pencil comprising a casing and a core, the casing consisting of wood material impregnated with a saccharide component, the saccharide component comprising at least one mono-, di- or oligosaccharide in solution in a vehicle.
    Type: Application
    Filed: June 19, 2019
    Publication date: August 26, 2021
    Inventors: Christian Sprogar, Ingolf Kahle, Thomas Heidenreiter
  • Publication number: 20210196027
    Abstract: A description is given of a wood-encased pencil comprising a casing and a core, the casing consisting of wood material impregnated with a saccharide component, the saccharide component comprising at least one mono-, di- or oligosaccharide and at least one polybasic organic acid in solution in a vehicle.
    Type: Application
    Filed: June 19, 2019
    Publication date: July 1, 2021
    Inventors: Christian Sprogar, Ingolf Kahle, Thomas Heidenreiter
  • Publication number: 20210085572
    Abstract: A method for producing a powder lead is disclosed, wherein at least one colourant, at least one filler and at least one binder are mixed with a carrier liquid, leads are shaped from the wet compound, the leads shaped in step b) are guided through a chamber in which they are exposed to a pulverulent covering agent, and the powdered leads are guided into a drying apparatus and dried therein.
    Type: Application
    Filed: February 15, 2019
    Publication date: March 25, 2021
    Inventors: Katrin Hollmann-Raabe, Tamara Segets, Markus Schmitt, Irina Künstler, Stefan Mozer, Reinhard Pinzer, Christian Sprogar, Thomas Stadter
  • Publication number: 20200138696
    Abstract: A process for the production of a solid cosmetic preparation is described wherein a wax phase comprising at least one wax, at least one oil, and if applicable, oil-soluble ingredients and solvents are melted, the molten wax phase is mixed with an aqueous phase comprising at least one water-soluble or water-soluble water-dispersible film former and with a w/o emulsifying system until an emulsion is formed, and the resulting emulsion is allowed to cool to form a wax matrix with aqueous phase droplets embedded therein, and the products made therefrom and their use.
    Type: Application
    Filed: December 28, 2017
    Publication date: May 7, 2020
    Inventors: Ingolf KAHLE, Simona LEBOK, Christian SPROGAR
  • Publication number: 20090041694
    Abstract: A preparation comprising at least one silicone, at least one PEG/PPG dimethicone with 15 to 20 units of PEG and PPG respectively as an emulsifier, a lipid phase, water in a proportion of 0.1 to 5% with respect to the total weight of the composition and at least one particulate ingredient.
    Type: Application
    Filed: February 23, 2006
    Publication date: February 12, 2009
    Inventors: Reinhard Pinzer, Christian Sprogar
  • Publication number: 20090028911
    Abstract: A process for the production of pigment-bearing and/or effect substance-bearing leads, comprising the following steps: a) pigments and/or effect substances are at least partially mixed with a fluid wetting agent so that a kneadable material is produced, b) further ingredients and optionally remaining pigments and/or effect substances are added and the resulting material optionally homogenised, c) the material obtained in b) is extruded to afford extrusions of predetermined diameter, and d) the extruded portions are dried to a constant weight optionally after adjustment of the extrusion length.
    Type: Application
    Filed: October 20, 2005
    Publication date: January 29, 2009
    Applicant: SCHWAN-STABILO COSMETICS GMBH & CO. KG
    Inventors: Reinhard Pinzer, Christian Sprogar
  • Publication number: 20080078301
    Abstract: A process for the production of leads which contain pigments and/or effect substances, wherein pigments and/or effect substances are mixed with fillers and further lead ingredients, the resulting material is homogenised and then extruded to provide extrusions of predetermined diameter, wherein then the extruded portions are dried optionally after adjustment of the extrusion length to a constant weight, wherein at least a proportion of the pigment and/or effect material is brought into contact with a polysaccharide solution and an aqueous solution of a precipitation agent prior to admixing of the further ingredients, the mixture is dried and then optionally ground.
    Type: Application
    Filed: October 20, 2005
    Publication date: April 3, 2008
    Applicant: SCHWAN-STABILO COSMETICS GMBH & CO. KG
    Inventors: Reinhard Pinzer, Christian Sprogar, Jurgen Peukert
  • Patent number: 7150784
    Abstract: A pigment-bearing gel material based on lipids and color pencils containing same, which is characterized in that it has a combination of oil-soluble alkylcellulose whose alkyl residues can be straight-chain or branched and preferably have have between 1 and 10 carbon atoms, an alkylgalactomannan polysaccharide whose alkyl residue preferably has between 1 and 10 carbon atoms and a salt which was obtained from a long-chain fatty acid with preferably between 16 and 24 carbon atoms and a fatty acid amidoalkyldialkylamine of a fatty acid with between 16 and 24 carbon atoms and processes for the production of same.
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: December 19, 2006
    Assignee: Schwan-Stabilo Cosmetics GmbH & Co. KG
    Inventors: Christian Sprogar, Reinhard Pinzer
  • Publication number: 20050211132
    Abstract: A pigment-bearing gel material based on lipids and color pencils containing same, which is characterized in that it has a combination of oil-soluble alkylcellulose whose alkyl residues can be straight-chain or branched and preferably have have between 1 and 10 carbon atoms, an alkylgalactomannan polysaccharide whose alkyl residue preferably has between 1 and 10 carbon atoms and a salt which was obtained from a long-chain fatty acid with preferably between 16 and 24 carbon atoms and a fatty acid amidoalkyldialkylamine of a fatty acid with between 16 and 24 carbon atoms and processes for the production of same.
    Type: Application
    Filed: January 14, 2003
    Publication date: September 29, 2005
    Inventors: Christian Sprogar, Reinhard Pinzer
  • Patent number: 6830610
    Abstract: A method for increasing the tensile, breaking and flexural strength of coloured leads. The method is characterized in that 1 to 50 percent by weight alkyl and/or hydroxyalkyl cellulose which are soluble in organic solvents and whose alkyl radicals can be straight-chained or branched are added to the lead substance. The invention also relates to coloured pencils containing said coloured leads.
    Type: Grant
    Filed: April 15, 2003
    Date of Patent: December 14, 2004
    Assignee: Schwan-Stabilo Cosmetics GmbH & Co. KG
    Inventors: Werner Bruchert, Christian Sprogar, Willy Weiss