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:
Nov. 19, 2019
Filed:
Mar. 31, 2015
Applicant:
Rapas Corporation, Shiga, JP;
Inventors:
Assignee:
Rapas Corporation, Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/18 (2006.01); B01J 23/72 (2006.01); B01J 21/06 (2006.01); B01J 35/10 (2006.01); B09B 3/00 (2006.01); C01G 23/08 (2006.01); B01J 35/00 (2006.01);
U.S. Cl.
CPC ...
C01B 33/18 (2013.01); B01J 21/063 (2013.01); B01J 23/72 (2013.01); B01J 35/0026 (2013.01); B01J 35/1014 (2013.01); B01J 35/1038 (2013.01); B01J 35/1042 (2013.01); B09B 3/0083 (2013.01); C01G 23/08 (2013.01); C01P 2004/32 (2013.01); C01P 2004/51 (2013.01); C01P 2004/60 (2013.01); C01P 2004/61 (2013.01); C01P 2006/11 (2013.01); C01P 2006/12 (2013.01); C01P 2006/14 (2013.01);
Abstract
Rice straw and chaff that are discharged as agricultural waste in large amounts are effectively utilized. The present invention has been completed on the basis of the finding that silica can be recovered with high efficiency by bringing heated titanium oxide into contact with a silica-containing plant body.