Patents by Inventor Carmine D'Antonio

Carmine D'Antonio 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 functionalized polymers
    Patent number: 5624999
    Abstract: A functionalised polymer, especially an ashless dispersant or a viscosity index improver dispersant, suitable for use as a lubricating or fuel oil additive, or as an intermediate for use in the manufacture of such an additive, is prepared from reactants in different phases by reacting the reactants in a reaction region defined by adjacent surfaces between which there is relative movement or in a thin film on a surface over which they move.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: April 29, 1997
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Alessandro Lombardi, Geraldo Barini, Carmine D'Antonio, Stefano Gusi