Patents by Inventor Giorgio Capaldi

Giorgio Capaldi 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: 4973497
    Abstract: A coated substrate such as an adhesive tape is produced by applying to a substrate a solution of a mixture of a rubber (eg. natural rubber) and a tackifier (eg. a petroleum resin) dissolved in a solvent (eg heptane) wherein the solution, prior to its application to the substrate, has been subjected to evaporation in a thin film evaporator so that the concentration of rubber and tackifier in the solvent is at least 35, usually at least 45 weight percent so enabling faster coating speeds.
    Type: Grant
    Filed: November 24, 1987
    Date of Patent: November 27, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Claudio Cervellati, Giorgio Capaldi, Lutz E. Jacob