Patents by Inventor Bernd Petritz

Bernd Petritz 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).

  • Unshaped refractory material, a process for producing an earth-moist, unshaped refractory material, and use of the unshaped refractory material
    Patent number: 8236720
    Abstract: The invention relates to an unshaped refractory material comprising a refractory base component and a binder component, the binder component comprising, related to the refractory material, an acidic component of the group comprising an acid, salt of an acid, ester of an acid, salt and ester of an acid as phosphate, sulfate or carbonate, in an amount of ?1.5 wt.-% and ?6 wt.-%, and a basic component of the group comprising: base, urotropin, calcium oxide, calcium hydroxide, magnesium oxide, caustic MgO, sodium hydroxide, potassium hydroxide, magnesium hydroxide, in an amount of ?1 wt.-% and ?4 wt.-%, wherein said material receives an earth-moist, crumbly consistency by addition of 1 to 5 wt.-% of water and which solidifies after an exothermic reaction of the binder component.
    Type: Grant
    Filed: July 1, 2008
    Date of Patent: August 7, 2012
    Assignee: Refractory Intellectual Property GmbH & Co. KG
    Inventors: Bernd Petritz, Alfons Lüftenegger
  • UNSHAPED REFRACTORY MATERIAL, A PROCESS FOR PRODUCING AN EARTH-MOIST, UNSHAPED REFRACTORY MATERIAL, AND USE OF THE UNSHAPED REFRACTORY MATERIAL
    Publication number: 20100184584
    Abstract: The invention relates to an unshaped refractory material, to a process for producing an earth-moist, unshaped refractory material, and also to the use of the unshaped refractory material.
    Type: Application
    Filed: July 1, 2008
    Publication date: July 22, 2010
    Applicant: REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG
    Inventors: Bernd Petritz, Alfons Lüftenegger