Patents by Inventor Stefano C. Grassini

Stefano C. Grassini 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).

  • Liquid accelerator composition for hardeners
    Patent number: 9346911
    Abstract: A salicylic acid salt-containing liquid composition useful as an accelerator for a hardener includes a reaction product of (a) salicylic acid; and (b) at least one amine compound compatible with said salicylic acid such that the composition is in liquid form, the composition has a concentration of salicylic acid at from about 35 weight percent to about 55 weight percent, and the composition has a viscosity in the range of from about 500 mPas to about 20,000 mPa-s at 25° C.; a curable epoxy resin composition containing the salicylic acid salt-containing liquid composition accelerator; and a cured product made from the curable composition.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: May 24, 2016
    Assignee: BLUE CUBE IP LLC
    Inventors: Markus Schrötz, Stefano C. Grassini, Marcus Pfarherr, Jeurgen Gaebel
  • LIQUID ACCELERATOR COMPOSITION FOR HARDENERS
    Publication number: 20140296381
    Abstract: A salicylic acid salt-containing liquid composition useful as an accelerator for a hardener includes a reaction product of (a) salicylic acid; and (b) at least one amine compound compatible with said salicylic acid such that the composition is in liquid form, the composition has a concentration of salicylic acid at from about 35 weight percent to about 55 weight percent, and the composition has a viscosity in the range of from about 500 mPas to about 20,000 mPa-s at 25° C.; a curable epoxy resin composition containing the salicylic acid salt-containing liquid composition accelerator; and a cured product made from the curable composition.
    Type: Application
    Filed: November 20, 2012
    Publication date: October 2, 2014
    Inventors: Markus Schrötz, Stefano C. Grassini, Marcus Pfarherr, Jeurgen Gaebel