Patents by Inventor Andrew Stamegna

Andrew Stamegna 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).

  • Materials leading to improved dental composites and dental composites made therefrom
    Publication number: 20060058415
    Abstract: This invention relates to composite materials for restorative dentistry. More particularly, it relates to new components for dental composites, which impart an attractive combination of good mechanical properties and low shrinkage.
    Type: Application
    Filed: September 13, 2005
    Publication date: March 16, 2006
    Inventors: Samuel Arthur, Gary Jaycox, Carl Douglas, Andrew Stamegna, Lech Wilczek, Gordon Cohen
  • Materials leading to improved dental composites and dental composites made therefrom
    Publication number: 20060058414
    Abstract: This invention relates to composite materials for restorative dentistry. More particularly, it relates to new components for dental composites, which impart an attractive combination of good mechanical properties and low shrinkage.
    Type: Application
    Filed: September 13, 2005
    Publication date: March 16, 2006
    Inventors: Samuel Arthur, Donald Huang, Gary Jaycox, Carl Douglas, Andrew Stamegna, Lech Wilczek, Gordon Cohen, Charles Brandenburg
  • Solvent-borne two component modified epoxy/polyamine coating
    Publication number: 20050070674
    Abstract: A coating composition comprising a film forming binder of a. a modified polyepoxy resin comprising the reaction product of a polyepoxide resin, dimer fatty acids and an organic polyisocyanate, wherein the modified polyepoxide resin has a weight average molecular weight of 1000 to 50,000; and b. at least one amino functional silane crosslinking agent; wherein the coating composition preferably contains pigments and has excellent adhesion to aluminum and aluminum alloy substrates and provides excellent corrosion resistance and is particularly useful as a primer for such substrates.
    Type: Application
    Filed: September 29, 2003
    Publication date: March 31, 2005
    Inventors: Cesar Rodrigues, Luis Henrique De Almeida Ferrari, Andrew Stamegna, Valentina Gordin