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. 28, 1989
Filed:
May. 29, 1987
Akiyoshi Miyanaga, Yokohama, JP;
Masuo Umino, Atsugi, JP;
Toyo Soda Manufacturing Co., Ltd., Shinnanyo, JP;
Abstract
Anions in an aqueous solution can be quantitatively measured at a high sensitivity while controlling the electroconductivity possessed by an eluant to a low level, by the chromatographical analyzing method wherein a separating column, a cation exchange column and an electroconductivity detector are connected in the recited order, an aqueous solution containing an amine compound as an electron donor is used as an eluant, and a cation exchange column composed of the cation exchange resin substituted with a metal ion as an electron acceptor is used as the cation exchange column.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile