Patents by Inventor Nicolae Achim

Nicolae Achim 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).

  • Modified asphaltic foam materials
    Patent number: 8017663
    Abstract: An asphaltic isocyanurate foam useful in roofing applications. Asphalt is liquified and mixed with a mixture of polyisocyanate. In a separate mixture, other chemicals, such as polyols, surfactant, catalyst, and blowing agent are combined. The mixtures are combined and reacted to form an asphaltic polyurethane foam.
    Type: Grant
    Filed: February 4, 2004
    Date of Patent: September 13, 2011
    Assignee: Devpat, LLC
    Inventors: George F. Thagard, III, Nicolae Achim
  • Modified asphaltic foam materials
    Publication number: 20050171223
    Abstract: An asphaltic isocyanurate foam useful in roofing applications. Asphalt is liquified and mixed with a mixture of polyisocyanate. In a separate mixture, other chemicals, such as polyols, surfactant, catalyst, and blowing agent are combined. The mixtures are combined and reacted to form an asphaltic polyurethane foam.
    Type: Application
    Filed: February 4, 2004
    Publication date: August 4, 2005
    Inventors: George Thagard, Nicolae Achim