Patents by Inventor Jean Pla

Jean Pla 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).

  • Prothrombin complex concentrates, preparation and application thereof
    Patent number: 4465623
    Abstract: Procedure for the preparation of a concentrate of prothrombinogenic compound.This procedure, in which, starting from a source of prothrombinogenic compound, an adsorption is followed by an elution, is characterized by the fact that a source of prothrombinogenic compound and a source of antithrombin III (or AT III) is placed in contact with an adsorbing agent capable of adsorbing both the prothrombinogenic compound and antithrombin III, and that the foregoing occurs in the presence of heparin, at least during the elution stage, and that elution is carried out with an elution agent capable of eluting the prothrombinogenic compound, the AT III and heparin at the same time.Application of the product obtained, notably to the treatment of blood coagulation difficulties.
    Type: Grant
    Filed: March 17, 1983
    Date of Patent: August 14, 1984
    Assignee: Societe Anonyme dite: Institut Merieux
    Inventors: Maryse Chanas, Jacques Liautaud, Jean Pla, Edward Shanbrom
  • Process for the preparation of purified albumin and albumin obtained by said process
    Patent number: 4169829
    Abstract: Purified albumin is prepared from frozen placenta, placental blood or other hemolyzed blood by the steps of eliminating hemoglobin, eliminating enzymes and eliminating group substances.
    Type: Grant
    Filed: September 30, 1977
    Date of Patent: October 2, 1979
    Assignee: Institut Merieux
    Inventors: Robert Plan, Jacques Liautaud, Marie-France Makula, Paule Gattel, Jean Pla, Andre Debrus