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:
May. 21, 2013
Filed:
Mar. 27, 2009
Yasuyuki Hara, Ibaraki, JP;
Takayuki Akamine, Osaka, JP;
Katsumi Yoshikawa, Tokyo, JP;
Michiko Kawamoto, Ibaraki, JP;
Yasuyuki Hara, Ibaraki, JP;
Takayuki Akamine, Osaka, JP;
Katsumi Yoshikawa, Tokyo, JP;
Michiko Kawamoto, Ibaraki, JP;
Sekisui Medical Co., Ltd., Tokyo, JP;
Abstract
An object of the present invention is to provide: a purified serum albumin having less lot-to-lot variation; and an immunoassay method utilizing the purified serum albumin, in which high reactivity and less non-specific reactions are achieved. The present invention provides a purified serum albumin, which is a serum albumin used as a blocking agent and/or in a suspension containing an insoluble carrier in an immunoassay method, and is composed mostly of a fraction, the fraction having an absorbance of not exceeding 9.0 mAbs when measured in the form of 1% aqueous solution at a wavelength of 463 nm by using a quarts cell having an optical path length of 1.0 cm.