Patents by Inventor Fausto Gerelli

Fausto Gerelli 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).

  • Inorganic pigments and process for preparing same
    Patent number: 4097300
    Abstract: The present invention relates to new inorganic pigments and to a process for preparing same. More particularly, it relates to new yellowish-green pigments consisting of titanium compounds. These pigments consist of the crystalline phases rutile TiO.sub.2, perovskite CaCO.sub.3 and trigonal CoTiO.sub.3. They contain 2 to 12% by weight of cobalt and 4 to 20% by weight of calcium based on total TiO.sub.2 and they have a dominant wave length .lambda..sub.D comprised between 530 and 560 m.mu..
    Type: Grant
    Filed: July 18, 1977
    Date of Patent: June 27, 1978
    Assignee: Montedison S.p.A.
    Inventors: Luigi Balducci, Dino Sarti, Fausto Gerelli