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:
Jun. 15, 1993
Filed:
Feb. 03, 1992
Applicant:
Inventors:
Antoine Floreancig, La Murette, FR;
Francois Nicolas, Orange, FR;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ; C22B / ; C22B / ;
U.S. Cl.
CPC ...
423-7 ; 423 22 ; 252627 ;
Abstract
A method for removing ruthenium from a uranium-containing solution comprising adding a nitrite to the solution and passing the solution over a quaternary ammonium or tertiary amine resin to selectively fix the ruthenium.