Patents by Inventor Sergio dal alba Guazzelli

Sergio dal alba Guazzelli 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).

  • Yellow iron oxide pigments
    Patent number: 7799125
    Abstract: The present invention relates to improved yellow iron oxide pigments and to their use.
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: September 21, 2010
    Assignee: LANXESS Deutschland GmbH
    Inventors: Carsten Rosenhahn, Robert Madersdorfer, Ingo Schnellrath, Sergio dal alba Guazzelli
  • YELLOW IRON OXIDE PIGMENTS
    Publication number: 20090199737
    Abstract: The present invention relates to improved yellow iron oxide pigments and to their use.
    Type: Application
    Filed: August 20, 2008
    Publication date: August 13, 2009
    Applicant: LANXESS Deutschland GmbH
    Inventors: Carsten Rosenhahn, Robert Madersdorfer, Ingo Schnellrath, Sergio dal alba Guazzelli