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:
Aug. 26, 2003
Filed:
Mar. 15, 2001
Applicant:
Inventors:
Vassily A. Babain, St. Petersburg, RU;
Andrey A. Murzin, St. Petersburg, RU;
Igor V. Smirnov, St. Petersburg, RU;
Vadim A. Starchenko, St. Petersburg, RU;
Andrey Y. Shadrin, St. Petersburg, RU;
Neil Graham Smart, Workington, GB;
Assignee:
British Nuclear Fuels PLC, Cumbria, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23G 1/02 ;
U.S. Cl.
CPC ...
C23G 1/02 ;
Abstract
Metal ions are removed from solid surfaces which may be contaminated with one or more radionuclides by contacting the solid surfaces with the supercritical fluid, as, for instance, carbon dioxide containing both an acidic ligand and organic amine. The metal ions are extracted from the solid surface and the extract is separated from the solid surface.