Patents by Inventor Hubert Linne

Hubert Linne 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).

  • Process for the preparation of inclusion pigments
    Patent number: 5753026
    Abstract: Reaction spray process for preparing inclusion pigments by suspending the pigment to be encapsulated in an aqueous solution or suspension of a precursor of the inclusion material, spraying the suspension, with or without the addition of nitric acid and fuel, in a tubular reactor heated at from 850.degree. to 1100.degree. C., separating the inclusion pigment from the product stream and, if desired post-calcining the pigment at a temperature of at least 816.degree. C.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: May 19, 1998
    Assignee: Merck Patent Gesellschaft mit Beschrankter Haftung
    Inventors: Mathias Kuntz, Hubert Linne, Joachim Weitzel, Dieter Heinz, Rodney Riddle