Patents by Inventor Luca Astarita

Luca Astarita 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).

  • Foamed cellular polyester resins and process for their preparation
    Patent number: 5422381
    Abstract: A foamed cellular material from polyester resins is obtained by extrusion foaming of polyester resins having melt strength higher than 8 centinewton, intrinsic viscosity greater than 0.8 dl/g and complex melt viscosity higher than 25,000 poises.
    Type: Grant
    Filed: July 14, 1994
    Date of Patent: June 6, 1995
    Assignee: M. & G. Richerche S.p.A.
    Inventors: Hussain A. K. Al Ghatta, Tonino Severini, Luca Astarita
  • Foamed cellular polyester resins and process for their preparation
    Patent number: 5362763
    Abstract: A foamed cellular material from polyester resins is obtained by extrusion foaming of polyester resins having melt strength higher than 8 centinewton, intrinsic viscosity greater than 0.8 dl/g and complex melt viscosity higher than 25,000 poises.
    Type: Grant
    Filed: September 28, 1993
    Date of Patent: November 8, 1994
    Assignee: M. & G. Ricerche S.p.A.
    Inventors: Hussain A. K. Al Ghatta, Tonino Severini, Luca Astarita