Patents by Inventor Noureddine Bellattar

Noureddine Bellattar 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 separation of antifactor VIII:C antibodies, more particularly usable for the purification of the blood plasma of a type a hemophiliac
    Patent number: 4736019
    Abstract: The process for the separation of antiVIII:C antibodies present in a liquid consists of contacting said liquid with a solid support constituted by a polymer or a copolymer having in its chain substitutable groups, whereof at least part is substituted by groups having an affinity for antiVIII:C antibodies and a selectivity for antiVIII:C antibodies compared with other immunoglobulins and then separating the liquid from the support on which have been adsorbed the antiVIII:C antibodies.Preferably use is made of polystyrene, to which have been fixed groups --SO.sub.3 Na and --SO.sub.2 Glu, --SO.sub.2 Threo, --SO.sub.2 OHPro or SO.sub.2 Lys. These supports can be used for ex-vivo purification in the column of the blood plasma of a type A hemophiliac.
    Type: Grant
    Filed: May 21, 1986
    Date of Patent: April 5, 1988
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Noureddine Bellattar, Danielle Gulino, Jacqueline Jozefonvicz