Patents by Inventor Antonio L. Fadda

Antonio L. Fadda 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).

  • Phenolic antioxidant compositions for organic polymers
    Patent number: 4439570
    Abstract: Substantially colorless, liquid compositions are described which are constituted by a phenolic antioxidant, or mixture of phenolic antioxidants, and at least one phosphine, the compositions being highly resistant to coloration phenomena.These compositions are effective stabilizers for organic polymers and, when incorporated in the said polymers, have a stabilizing power which is greater than that shown by the phenolic antioxidant or mixture of phenolic antioxidants alone.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: March 27, 1984
    Assignee: Euteco Impianti S.p.A.
    Inventors: Giuseppe Messina, Loreno Lorenzoni, Antonio L. Fadda