Patents by Inventor Giuliano Cini

Giuliano Cini 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).

  • Open-celled rigid polyurethane foam
    Patent number: 5721284
    Abstract: Disclosed is a process for preparing an open-celled rigid polyurethane foam by reacting a polyisocyanate with a polyol in the presence of a blowing agent, usually water, and a cell opening agent. The cell opening agent comprises a combination of a polyoxyalkylene polysiloxane having a cloud point of 65.degree. C. or less, and a second substance that has a critical surface free energy of less than about 23 mJ/m.sup.2. Highly preferred as second substance is fine particulate poly(tetrafluoroethylene) polymer.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: February 24, 1998
    Assignee: The Dow Chemical Company
    Inventors: Guido F. Smits, Giuliano Cini, Henri J. M. Grunbauer, Jacobus A. F. Broos