Patents by Inventor Markus Kretzschmar

Markus Kretzschmar 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).

  • Matting agent
    Patent number: 8926748
    Abstract: A matting agent useful for the preparation of matted coatings comprising, inorganic oxide particulates; and wax coated on the inorganic oxide particulates, wherein the wax possesses a crystallinity of about 50% or more and said wax is present in an amount ranging from 15 wt % to 30 wt % based on a total weight of said matting agent.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: January 6, 2015
    Assignee: Grace GmbH & Co. KG
    Inventors: Hans-Rudolf Lehnert, Markus Kretzschmar
  • POROUS INORGANIC OXIDE PARTICLES AND METHODS OF MAKING AND USING THE SAME
    Publication number: 20130196848
    Abstract: Porous inorganic oxide particles, such as porous silica particles, and compositions containing porous inorganic oxide particles are disclosed. Methods of making porous inorganic oxide particles and methods of using porous inorganic oxide particles are also disclosed.
    Type: Application
    Filed: May 19, 2011
    Publication date: August 1, 2013
    Applicant: GRACE GmbH & Co. KG
    Inventors: Markus Kretzschmar, Horst Herrig
  • MATTING AGENT
    Publication number: 20100071593
    Abstract: A matting agent useful for the preparation of matted coatings comprising, inorganic oxide particulates and wax coated on the inorganic oxide particulates, wherein the wax possesses a crystallinity of about 50% or more.
    Type: Application
    Filed: December 5, 2007
    Publication date: March 25, 2010
    Inventors: Hans-Rudolf Lehnert, Markus Kretzschmar