Patents by Inventor Heinrich Christ

Heinrich Christ 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).

  • Hydrophobic free-flowing pellets, a process for their production and their use
    Patent number: 5589222
    Abstract: This invention relates to hydrophobic free-flowing pellets having an average particle size of 5 to 150 .mu.m, which consist of one or preferably more hydrophilic inorganic powders having a particle size of >0 to 30 .mu.m and contain one or more hydrophobic polyorganosiloxanes in a quantity of 0.03 to 15% by weight, to a process for their production and to their use.
    Type: Grant
    Filed: February 1, 1996
    Date of Patent: December 31, 1996
    Assignee: Ferro (Italia) S.r.l.
    Inventors: Peter Thometzek, Heinrich Christ
  • Free-flowing, chemically resistant color granulates, their preparation and use
    Patent number: 5393714
    Abstract: The present invention provides free-flowing chemically resistant color granulates that are heat resistant and color stable in aggressive media. The color granulates comprise 20-94.8% by weight coloring bodies, 5-75% by weight of one or more frits, 0.220% by weight binder and 0.03-15% by weight organosilanes and/or polyorganosiloxanes. The glass frit comprises by weight 20-90% SiO.sub.2 +B.sub.2 O.sub.3 +Al.sub.2 O.sub.3, 0-6% Na.sub.2 O+Li.sub.2 O, 0-6% K.sub.2 O, 10-25% CaO+MgO+ SrO, 0-35% TiO.sub.2 +ZrO.sub.2, 0-40% Bi.sub.2 O.sub.3 +P.sub.2 O.sub.5 +V.sub.2 O.sub.5 +MoO.sub.3 +WO.sub.3 and 0-10% ZnO.
    Type: Grant
    Filed: December 29, 1993
    Date of Patent: February 28, 1995
    Assignee: Ferro Italia S.r.l.
    Inventors: Peter Thometzek, Heinrich Christ
  • Granular materials, a process for their production and their use
    Patent number: 5348914
    Abstract: The present invention relates to abrasion-resistant granular materials which are composed of one or more inorganic pigments, one or more inorganic elements and/or compounds with a Mohs hardness of at least 7 and one or more inorganic and/or organic binders and optionally frits and/or glasses and/or inorganic fillers, and to their production and their use.
    Type: Grant
    Filed: June 7, 1993
    Date of Patent: September 20, 1994
    Assignee: Ferro Corporation
    Inventors: Peter Thometzek, Heinrich Christ