Patents by Inventor Walter Sipag

Walter Sipag 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).

  • Publication number: 20190032337
    Abstract: A trafficable colored asphaltic membrane with multi-layer coating, to waterproof surfaces, which is composed of, at least, three layers: A non-stick inferior (1) layer comprised of a sheet of synthetic polymers, an intermediate (3) layer of asphaltic bitumen of suitable features for waterproofing and a superior (4) coating layer, wherein said superior coating layer is a laminated assembly obtained from coating by extrusion, comprised of a sheet of synthetic polymers, preferably polyester (5); a film comprised of mixtures of polymers Pead and/or Pebd (7); and a superior sheet (6) of synthetic polymers resistant to ultra violet rays (UV).
    Type: Application
    Filed: July 12, 2018
    Publication date: January 31, 2019
    Applicant: Megaflex S.A.
    Inventors: Walter Sipag, Antonio Alonso