Patents by Inventor Raymond Ellinghoven

Raymond Ellinghoven 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).

  • Luster pigments based on reduced titania-coated silicate-based platelets
    Patent number: 5733658
    Abstract: Luster pigments obtainable by treating titania-coated silicate-based platelets at from 400.degree. to 900.degree. C. with a gas mixture comprising a vaporized organic compound and ammonia are useful for coloring paints, inks, including printing inks, plastics, glasses, ceramic products and decorative cosmetic preparations.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: March 31, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Raimund Schmid, Claus Kaliba, Norbert Mronga, Werner Ostertag, Helmut Schmidt, Juan Antonio Gonzalez Gomez, Hermann Bidlingmaier, Raymond Ellinghoven
  • Preparation of bluish luster pigments
    Patent number: 5624487
    Abstract: Preparation of bluish luster pigments by treating titania-coated silicatic platelets with a reducing gas mixture, which comprises treating titania-coated silicatic platelets whose titania coating has a geometric layer thickness of from 10 to 60 nm at from 800.degree. to 900.degree. C. with a gas mixture comprising a vaporized organic compound and ammonia, and also bluish luster pigments based on silicatic platelets comprising a reduced titania coating with a geometric layer thickness of from 10 to 60 nm and CIELAB color coordinates -2.ltoreq.a*.ltoreq.2 and b*.ltoreq.-20 (measuring angle 20.degree., standard illuminant D65).
    Type: Grant
    Filed: March 26, 1996
    Date of Patent: April 29, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Schmidt, Werner Ostertag, Hermann Bidlingmaier, Norbert Mronga, Juan A. G. Gomez, Claus Kaliba, Raimund Schmid, Raymond Ellinghoven