Patents by Inventor Andreas Landgraf

Andreas Landgraf 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).

  • Abrasive agent based on natural raw ingredients, having properties improving rheology
    Patent number: 8466097
    Abstract: The invention relates to flours of plant components, wherein a solution of 10 ml water and 1 ml of an aqueous methylene blue solution of 0.1 wt % brought into contact with 1 g of the flour, comprising an extinction at a wavelength of 660 nm to <1, to a method for producing said flours, products comprising said flours, and the use of the flours for producing skin and hand cleaning agents, surface cleansers, or peeling agents, and the use of the products for cleaning skin, hands, and surfaces.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: June 18, 2013
    Assignee: Evonik Stockhausen GmbH
    Inventors: Petra Allef, Marcel Veeger, Wolfgang Roecher, Susann Wiechers, Andreas Landgraf
  • ABRASIVE AGENT BASED ON NATURAL RAW INGREDIENTS, HAVING PROPERTIES IMPROVING RHEOLOGY
    Publication number: 20120202730
    Abstract: The invention relates to flours of plant components, wherein a solution of 10 ml water and 1 ml of an aqueous methylene blue solution of 0.1 wt % brought into contact with 1 g of the flour, comprising an extinction at a wavelength of 660 nm to <1, to a method for producing said flours, products comprising said flours, and the use of the flours for producing skin and hand cleaning agents, surface cleansers, or peeling agents, and the use of the products for cleaning skin, hands, and surfaces.
    Type: Application
    Filed: October 5, 2010
    Publication date: August 9, 2012
    Applicant: Evonik Stockhausen GmbH
    Inventors: Petra Allef, Marcel Veeger, Wolfgang Roecher, Susann Wiechers, Andreas Landgraf
  • Use of particulate emulsifiers in abhesive siloxane-containing coating materials
    Patent number: 7727599
    Abstract: The invention relates to a durably homogeneous, low-viscosity, radiation-curable coating material comprising a) x (meth)acrylated polysiloxanes and if desired b) y (meth)acrylated organic compounds and c) at least one particulate emulsifier having an average particle size of <1000 nm in at least one dimension, with the proviso that x?1, y?0, the sum of x+y?2 and the mixture of components a) and b) alone is not durably homogeneous.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: June 1, 2010
    Assignee: Goldschmidt GmbH
    Inventors: Hardi Doehler, Michael Ferenz, Sascha Herrwerth, Matthias Naumann, Joachim Venzmer, Andreas Landgraf
  • USE OF PARTICULATE EMULSIFIERS IN ABHESIVE SILOXANE-CONTAINING COATING MATERIALS
    Publication number: 20080064782
    Abstract: The invention relates to a durably homogeneous, low-viscosity, radiation-curable coating material comprising a) x (meth)acrylated polysiloxanes and if desired b) y (meth)acrylated organic compounds and c) at least one particulate emulsifier having an average particle size of <1000 nm in at least one dimension, with the proviso that x?1, y?0, the sum of x+y?2 and the mixture of components a) and b) alone is not durably homogeneous.
    Type: Application
    Filed: September 4, 2007
    Publication date: March 13, 2008
    Applicant: Goldschmidt GmbH
    Inventors: Hardi Doehler, Michael Ferenz, Sascha Herrwerth, Matthias Naumann, Joachim Venzmer, Andreas Landgraf