Patents by Inventor Rocco Albert Polistina

Rocco Albert Polistina 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).

  • Patent number: 3991766
    Abstract: Polyhydroxyacetic ester, also called polyglycolic acid (PGA), has surgically useful mechanical properties. On implantation, in living mammalian tissue, the polyglycolic acid is absorbed, and replaced by living tissue. Sutures, clips and storage pellets having medicaments incorporated therein can be used for both their own mechanical properties and as a delayed release system for medicaments.
    Type: Grant
    Filed: April 3, 1975
    Date of Patent: November 16, 1976
    Assignee: American Cyanamid Company
    Inventors: Edward Emil Schmitt, Rocco Albert Polistina