Patents by Inventor Ramiro Montez Diaz

Ramiro Montez Diaz 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).

  • Manufacture of cellulose ester filaments: lubrication in the spinning cabinet
    Patent number: 7815832
    Abstract: In the manufacture of cellulose ester fibers, a dope is extruded into filaments. Extrusion occurs in an elongated cabinet having an outlet for the filaments. The filaments are taken up after exiting the outlet. The filaments are lubricated at the outlet of the cabinet.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: October 19, 2010
    Assignee: Celanese Acetate, LLC
    Inventors: Heather L. Clarkson, Cheryl F. Corallo, Robina M. C. Hogan, Ramiro Montez Diaz, Ronald Nivins