Patents by Inventor Giangaleazzo Triulzi

Giangaleazzo Triulzi 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).

  • Procedure for the continuous fractionation of polymers and relative equipment
    Patent number: 5185429
    Abstract: Procedure for the continuous fractionation of polymers dissolved in a solvent, which includes at least one complete cycle of the following operations:a. precipitation of a first fraction of polymer inside a first reaction vessel containing the solution;b. transferring the remaining solution into a second reaction vessel and collecting the above first fraction of polymer precipitated in the above first reaction vessel;c. precipitation of a second fraction of polymer inside the second reaction vessel; andd. recycling the remaining solution in the first reaction vessel and collecting the above second fraction of polymer precipitated in the above second reaction vessel.
    Type: Grant
    Filed: March 20, 1991
    Date of Patent: February 9, 1993
    Assignee: Istituto Guido Donegani S.p.A.
    Inventors: Patrizia Cinquina, Giangaleazzo Triulzi, Fabio Garbassi