Patents by Inventor Rafael Mena Pla

Rafael Mena Pla 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).

  • Method of forming inorganic pigments
    Patent number: 6616744
    Abstract: The present invention provides a method of forming inorganic pigments using one or more metal alloys. Metal alloys used in the method of the invention are preferably milled to a mean particle size of less than about 10 microns, may be mixed with other metal oxides, and calcined in the presence of oxygen in a rotary kiln. Inorganic pigments formed in accordance with the method of the invention can be used in a wide variety of applications, including the coloration of glass matrixes, ceramic bodies, polymers, and paints.
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: September 9, 2003
    Assignee: Ferro Corporation
    Inventors: Javier Garcia Sainz, Rosario Blanch Castello, Rafael Mena Pla, Juan Carlos Gallart