Patents by Inventor Renate Jircik

Renate Jircik 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).

  • Anticorrosive pigment preparation containing metal oxide-coated platelet adjuvant
    Patent number: 5749946
    Abstract: A pigment preparation comprising(i) 10-80% by wt. of a platelet-shaped substrate coated with a metal oxide, and(ii) 20-90% by wt. of an active pigment.
    Type: Grant
    Filed: May 3, 1996
    Date of Patent: May 12, 1998
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Ralf Glausch, Georg Reinhard, Renate Jircik, Ursula Rammelt
  • Pigment preparation for anti-corrosion coating material
    Patent number: 5735939
    Abstract: A pigment preparation for anti-corrosion coating materials, comprising(i) 3-40% by weight of a monomeric or polymeric, metal-free or metal-containing chelate-forming compound, preferably a phthalocyanine,(ii) 3-40% by weight of a material in flake form, preferably mica, and(iii) 25-80% by weight of a hydroxide ion-binding material, preferably a metaphosphate, di- or triphosphate. In a further embodiment, the pigment preparation additionally contains 5-65% by weight of a conductive pigment.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: April 7, 1998
    Assignee: Merck Patent Gesellschaft MIT Beschrankter Haftung
    Inventors: Ralf Glausch, Georg Reinhard, Renate Jircik, Ursula Rammelt