Patents by Inventor Pietro Gasperini

Pietro Gasperini 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).

  • Double-face dyeing and printing of polyester fabrics with disperse dyes
    Patent number: 4242093
    Abstract: There is provided a process for the dyeing and printing of polyester textile fabrics with different shaded color effects on one or both sides of the fabric, comprising contacting the polyester fabric as such or having been previously dyed in light pastel shades, with an aqueous dye bath containing at least one hydrophobizing substance, drying the so-treated fabric, printing on one or both sides thereof with disperse dyes and affixing the dyes to the surface by thermosoling.
    Type: Grant
    Filed: June 7, 1979
    Date of Patent: December 30, 1980
    Assignee: Aziende Colori Nazionali Affini Acna S.p.A.
    Inventors: Pietro Gasperini, Francesco Brunetti