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:
Dec. 31, 2024
Filed:
Jun. 25, 2020
Nihon Medi-physics Co., Ltd., Tokyo, JP;
Yoshio Honda, Tokyo, JP;
Shinya Yano, Tokyo, JP;
NIHON MEDI-PHYSICS CO., LTD., Tokyo, JP;
Abstract
An object of the present invention is to provide a method for purifying efficiently and easily aRa-containing solution obtained whenAc is produced from aRa target, a method for producing aRa target by using the purifiedRa-containing solution obtained by the above purification method, and a method for producingAc including these above methods. The method for purifying aRa-containing solution according to the present invention is characterized by including an adsorption step (R1) of allowingRa ions to adsorb onto a carrier having a function of selectively adsorbing divalent cations by bringing aRa-containing solution (a) into contact with the carrier under an alkaline condition; and an elution step (R2) of eluting theRa ions from the carrier under an acidic condition.