Patents by Inventor Silvana Arrighi

Silvana Arrighi 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).

  • Process for the isolation of highly purified factors IX, X and II from prothrombin complex or human plasma
    Patent number: 5378365
    Abstract: A description is given of a process for the purification of factor IX, factor X, and factor II from human plasma or fractions thereof, wherein a solution containing prothrombin complex factors is purified by repeated ion exchange chromatographic separations followed by adsorption chromatography on metal ions.
    Type: Grant
    Filed: March 26, 1993
    Date of Patent: January 3, 1995
    Assignees: Sclavo S.p.A., Aima-Derivati S.p.A.
    Inventors: Silvana Arrighi, Francesco Norelli, Maria G. Borri, Enzo Bucci
  • Process for the purification of factor VIII and factor VIII obtained by said process
    Patent number: 5259951
    Abstract: A method for the purification of Factor VIII from human plasma is described, wherein a solution comprising Factor VIII is purified by using ion exchange chromatographic columns. Factor VIII obtained by said method is also described.
    Type: Grant
    Filed: June 11, 1991
    Date of Patent: November 9, 1993
    Assignee: SCLAVO S.p.A.
    Inventors: Silvana Arrighi, Maria G. Borri, Costante Ceccarini