Patents by Inventor Aldo Zanchetta

Aldo Zanchetta 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 spheronization and device for implementing said process
    Patent number: 5011640
    Abstract: One or more powders are placed in a leaktight vessel (12) having a substantially vertical axis and comprising a bottom blade rotating about an axis parallel to the axis of said vessel, and a spheronizing tool (28) having a substantially discoidal rotating form; said powders are mutually mixed by means of the rotation of said bottom blade, and a binder solution is added thereto. The composition of mixed powders thus added to is spheronized by immersing said spheronizing tool (28) in said composition and causing it to rotate simultaneously with said blade (18).
    Type: Grant
    Filed: March 1, 1990
    Date of Patent: April 30, 1991
    Assignee: Zanchetta & C. S.r.l.
    Inventor: Aldo Zanchetta