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.:

US 6610152 B1

PDF
Full Text
Expired
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:
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.


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Babain, Vassily. (2003). Method for removing inorganic matter from solid surfaces (U.S. Patent No. 6610152). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6610152

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