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:
Feb. 24, 1987
Filed:
Apr. 26, 1984
Keietsu Takahashi, Itami, JP;
Nobuo Ueda, Kawanishi, JP;
Masaaki Hazue, Amagasaki, JP;
Akira Yokoyama, Otsu, JP;
Yoshiro Ohmomo, Kyoto, JP;
Nihon Medi-Physics Co., Ltd., Hyogo, JP;
Abstract
A radioactive diagnostic agent having high labeling efficiency, prepared by bringing an aqueous solution of a radioactive metallic element contaminated with a non-radioactive metallic ions into contact with a non-radioactive carrier comprising a carrier substance having a chelate-forming property and optionally a physiologically active substance chemically bonded thereto, at least one of said aqueous solution and said non-radioactive carrier comprising at least one reductive material chosen from ascorbic acid and erythrobic acid, and their salts and esters.