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:
Jan. 09, 2007
Filed:
Oct. 02, 2003
Applicants:
Shinji Sato, Shinnanyo, JP;
Yutaka Ogura, Shinnanyo, JP;
Inventors:
Shinji Sato, Shinnanyo, JP;
Yutaka Ogura, Shinnanyo, JP;
Assignee:
Tosoh Corporation, Yamaguchi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An eluent for ion chromatography for analyzing divalent cations, which comprises an acid and at least one amino acid selected from the group consisting of histidine, lysine and arginine.