Patents by Inventor Fabricio Machado Silva

Fabricio Machado Silva 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 synthesis of poly (vinyl alcohol) and/or poly (vinyl acetate) with spherical morphology and shell-and-nucleus structure and its use in vascular embolization
    Patent number: 9828452
    Abstract: The present invention describes a process for the synthesis of spherical particles of polyvinyl alcohol—PVA and/or polyvinyl acetate—PVAc with shell nucleus structure from total or partial hydrolysis in a caustic aqueous medium with obtaining particulates of PVA/PVAc with controlled spherical morphology, to be used in vascular embolization.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: November 28, 2017
    Assignees: INSTITUTO ALBERTO LUIZ COIMBRA DE PÓS-GRADUAÇÃO E PESQUISA DE ENGENHARIA—COPPE, FIRST LINE INDUSTRIA E COMMERCIA S/A
    Inventors: José Carlos Costa da Silva Pinto, Mariana Araújo Niemeyer Limeira, Fabricio Machado Silva, Priamo Albuquerque Melo, Márcio Nele De Souza, Galdêncio Espinosa Lopez