Patents by Inventor Jean-Pierre Elgoyhen

Jean-Pierre Elgoyhen 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).

  • Publication number: 20230183491
    Abstract: The present invention refers to a mineral matter powder preparation by wet process without acrylic additive or other grinding aid additives and to Me use of said mineral matter after an optional hydrophobic treatment. Said mineral material Having superior dispersing properties.
    Type: Application
    Filed: December 14, 2022
    Publication date: June 15, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Pierre BLANCHARD, Jean-Pierre ELGOYHEN, Beat KARTH, Holger MULLER, Jurgen SPEHN, Martin BRUNNER, Pascal GONNON, Michael TINKL
  • Patent number: 11555122
    Abstract: The present invention refers to a mineral matter powder preparation by wet process without acrylic additive or other grinding aid additives and to the use of said mineral matter after an optional hydrophobic treatment. Said mineral material having superior dispersing properties.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: January 17, 2023
    Assignee: Omya International AG
    Inventors: Pierre Blanchard, Jean-Pierre Elgoyhen, Beat Karth, Holger Müller, Jürgen Spehn, Martin Brunner, Pascal Gonnon, Michael Tinkl
  • Patent number: 10767055
    Abstract: The present invention refers to a mineral matter powder preparation by wet process without acrylic additive or other grinding aid additives and to the use of said mineral matter after an optional hydrophobic treatment. Said mineral material having superior dispersing properties.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: September 8, 2020
    Assignee: Omya International AG
    Inventors: Pierre Blanchard, Jean-Pierre Elgoyhen, Beat Karth, Holger Müller, Jürgen Spehn, Martin Brunner, Pascal Gonnon, Michael Tinkl
  • Publication number: 20190276675
    Abstract: The present invention refers to a mineral matter powder preparation by wet process without acrylic additive or other grinding aid additives and to the use of said mineral matter after an optional hydrophobic treatment. Said mineral material having superior dispersing properties.
    Type: Application
    Filed: May 14, 2019
    Publication date: September 12, 2019
    Inventors: Pierre Blanchard, Jean-Pierre Elgoyhen, Beat Karth, Holger Müller, Jürgen Spehn, Martin Brunner, Pascal Gonnon, Michael Tinkl
  • Publication number: 20150000564
    Abstract: The present invention refers to a mineral matter powder preparation by wet process without acrylic additive or other grinding aid additives and to the use of said mineral matter after an optional hydrophobic treatment. Said mineral material having superior dispersing properties.
    Type: Application
    Filed: February 14, 2013
    Publication date: January 1, 2015
    Inventors: Pierre Blanchard, Jean-Pierre Elgoyhen, Beat Karth, Holger Müller, Jürgen Spehn, Martin Brunner, Pascal Gonnon, Michael Tinkl