Patents by Inventor Ildolfo Alfonso Duran Retamal

Ildolfo Alfonso Duran Retamal 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).

  • Binders containing an aldehyde-based resin and an isocyanate-based resin and methods for making composite lignocellulose products therefrom
    Patent number: 11780112
    Abstract: Binders, methods for making same, and methods for making composite lignocellulose products therefrom. The binder can include about 30 wt % to about 40 wt % of solids that include a urea-modified aldehyde-based resin; about 0.1 wt % to about 3 wt % of solids that include an isocyanate-based resin; about 0.1 wt % to about 12 wt % of an extender; and about 50 wt % to about 62 wt % of water, where all weight percent values are based on a total weight of the binder. The binder can have a sodium hydroxide equivalent weight alkalinity of about 3 wt % to about 9 wt %.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: October 10, 2023
    Inventors: Juan José Joaquin Valenzuela Valdés, Ildolfo Alfonso Duran Retamal, Carlos Roberto Maldonado Rodríguez, Bobby Lee Williamson