Patents by Inventor Milton F. De Souza

Milton F. De Souza 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).

  • Oxides extracted from vegetal matter and process therefor
    Patent number: 7754186
    Abstract: The invention concerns a process for the extraction of acid or basic oxides contained in a vegetal matter, more specifically it concerns the extraction of silica from rice husks. The invention also concerns pure oxides extracted from vegetal matter. The invention also concerns the process for the extraction of carbon-rich oxide compositions from vegetal matter, and compositions obtained through said process.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: July 13, 2010
    Assignee: Fundacao de Amparo a Pesquisa do Estado de Sao Paulo
    Inventors: Milton F. De Souza, Paulo Dos Santos Batista, Jefferson B. L. Liborio
  • Oxides extracted from vegetal matter and process therefor
    Patent number: 7572433
    Abstract: The invention concerns a process for the extraction of acid or basic oxides contained in a vegetal matter, more specifically it concerns the extraction of silica from rice husks. The invention also concerns pure oxides extracted from vegetal matter. The invention also concerns the process for the extraction of carbon-rich oxide compositions from vegetal matter, and compositions obtained through said process.
    Type: Grant
    Filed: February 19, 2001
    Date of Patent: August 11, 2009
    Assignee: Fundacao de Amparo A Pesquisa Do Estado de Sao Paulo
    Inventors: Milton F. De Souza, Paulo Dos Santos Batista, Jefferson B. L. Liborio
  • OXIDES EXTRACTED FROM VEGETAL MATTER AND PROCESS THEREFOR
    Publication number: 20080193364
    Abstract: The invention concerns a process for the extraction of acid or basic oxides contained in a vegetal matter, more specifically it concerns the extraction of silica from rice husks. The invention also concerns pure oxides extracted from vegetal matter. The invention also concerns the process for the extraction of carbon-rich oxide compositions from vegetal matter, and compositions obtained through said process.
    Type: Application
    Filed: April 21, 2008
    Publication date: August 14, 2008
    Inventors: Milton F. De Souza, Paulo Dos Santos Batista, Jefferson B.L. Liborio
  • Oxides extracted from vegetal matter and process therefor
    Publication number: 20040175321
    Abstract: The invention concerns a process for the extraction of acid or basic oxides contained in a vegetal matter, more specifically it concerns the extraction of silica from rice husks. The invention also concerns pure oxides extracted from vegetal matter. The invention also concerns the process for the extraction of carbon-rich oxide compositions from vegetal matter, and compositions obtained through said process.
    Type: Application
    Filed: February 12, 2004
    Publication date: September 9, 2004
    Inventors: Milton F. De Souza, Paulo Dos Santos Batista, Jefferson B.L. Liborio