Patents by Inventor Caroline Steiner

Caroline Steiner 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).

  • Titanium dioxide, preparation and use
    Patent number: 6200375
    Abstract: The invention concerns a novel titania pigment useful for external painting. This pigment has a titania nucleus coated successively with a layer of zirconium hydroxide or oxyhydroxide, then a layer of titanium hydroxide or oxyhydroxide, then of a layer of co-precipitated phosphate and silica, and finally a layer of aluinium oxyhydroxide. The invention also concerns a method for preparing said pigment and its use in paints, plastics and laminated paper.
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: March 13, 2001
    Assignee: Millennium Inorganic Chemicals, S.A.
    Inventors: Anny Guez, Caroline Steiner