The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 13, 2010
Filed:
Apr. 21, 2008
Applicants:
Milton F. DE Souza, Sao Carlos, BR;
Paulo Dos Santos Batista, Sao Carlos, BR;
Jefferson B. L. Liborio, Sao Carlos, BR;
Inventors:
Milton F. De Souza, Sao Carlos, BR;
Paulo Dos Santos Batista, Sao Carlos, BR;
Jefferson B. L. Liborio, Sao Carlos, BR;
Assignee:
Fundacao de Amparo a Pesquisa do Estado de Sao Paulo, Sao Paulo, BR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/00 (2006.01);
U.S. Cl.
CPC ...
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.