Patents Assigned to Technomarmi Maiera S.p.A.
  • Composite slab incorporating a sheet of marble or similar natural stone, for the formation of facings for building, interior decoration and the like
    Patent number: 4640850
    Abstract: A composite facing slab comprises a sheet of natural stone, such as marble, and a protective layer constituted by a sheet of transparent glass. The latter is fixed to the face of the stone sheet intended to remain visible with the interpositioning of an interlayer of transparent thermoplastics material which can adhere to both the sheets and fills the surface defects (pores, cavities, cracks and the like) of the stone sheet.
    Type: Grant
    Filed: December 6, 1984
    Date of Patent: February 3, 1987
    Assignees: Technomarmi Maiera S.p.A., Seifag S.r.l.
    Inventor: Giuseppe Marocco