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:
May. 17, 2011
Filed:
Sep. 08, 2006
Applicants:
Masahide Waki, Izumiotsu, JP;
Kazuhiro Miyamoto, Sakai, JP;
Inventors:
Masahide Waki, Izumiotsu, JP;
Kazuhiro Miyamoto, Sakai, JP;
Assignee:
Stella Chemifa Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 33/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An isotope enrichment method comprising the step of performing the isotope exchange between an aqueous solution containing at least two components each represented by the formula: HO—HSiF6.nSiF(wherein n≧0) and a gas containing SiFto enrich a stable Si isotope.