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:
Jul. 29, 2014
Filed:
Nov. 20, 2007
Akio Hayashi, Chiba, JP;
Toshiyuki Shinmura, Chiba, JP;
Daisaku Nakamura, Chiba, JP;
Soichi Takasaki, Chiba, JP;
Shinji Tokunaga, Chiba, JP;
Emi Kaneko, Chiba, JP;
Masahito Toyama, Chiba, JP;
Akio Hayashi, Chiba, JP;
Toshiyuki Shinmura, Chiba, JP;
Daisaku Nakamura, Chiba, JP;
Soichi Takasaki, Chiba, JP;
Shinji Tokunaga, Chiba, JP;
Emi Kaneko, Chiba, JP;
Masahito Toyama, Chiba, JP;
Nihon Medi-Physics Co., Ltd., Tokyo, JP;
Abstract
A composition including a radioactive fluorine-labeled amino acid compound is provided, which can be prevented from radiolysis. Disclosed is a composition which includes a solution containing a radioactive fluorine-labeled amino acid compound as an effective ingredient, in which the pH value of the solution is kept at 2.0-5.9, more preferably 2.0-4.9 in order to inhibit radiolysis. Also, it is possible to further inhibit radiolysis by adding thereto a pharmaceutical additive capable of inhibiting radiolysis, such as a sugar, a sugar alcohol and a sugar lactone, while the pH is kept at 2.0-5.9.