Patents by Inventor Leonardo Bigi

Leonardo Bigi 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).

  • Devices and methods for growing human cells
    Publication number: 20070196911
    Abstract: A bioreactor having: a reaction chamber; a first port adapted for the introduction of human cells; a second port adapted for gas exchange, the second port comprising a filter; a third port adapted for introducing culture medium; a fourth port adapted for sampling cells; and a fifth port adapted for harvesting the human cells after they have been cultured.
    Type: Application
    Filed: January 10, 2007
    Publication date: August 23, 2007
    Inventors: Giovanni Mambrini, Giuseppe Astori, Ivo Panzani, Leonardo Bigi, Valentina Adami, Walter Malangone, Elisabetta Falasca
  • Method of encapsulating biologically active agents within erythrocytes, and apparatus therefor
    Patent number: 6139836
    Abstract: A method and apparatus for the encapsulation of biologically active agents in red blood cells (RBCS) is disclosed. The method is characterized in that lysed and partially lysed RBCs are concentrated prior to the introduction of the biologically active agent. The resultant carrier RBCs are stable for an extended period of time under physiological conditions and can be used for the systemic or targeted delivery of therapeutically effective amounts of one or more biologically active agents to a patient.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: October 31, 2000
    Assignee: Dideco, S.p.A.
    Inventors: Mauro Magnani, Ivo Panzani, Leonardo Bigi, Andrea Zanella
  • Method for regenerating dialysing liquids in hemodialysis systems
    Patent number: 4115259
    Abstract: A method for removing phosphate ions from spent dialysing liquids used in hemodialysis consisting of contacting the liquid with an activated mixture of alumina and silica. The activation treatment consists of a roasting at a temperature in the range of 300.degree.-800.degree. C.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: September 19, 1978
    Inventor: Leonardo Bigi