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:
Dec. 26, 2006
Filed:
Feb. 21, 2003
Yoshihiro Tajiri, Osaka, JP;
Takuya Hayabuchi, Osaka, JP;
Naohiro Teramoto, Osaka, JP;
Yasuhiko Kojima, Chiba, JP;
Eiji Sakata, Chiba, JP;
Haruyuki Morikawa, Chiba, JP;
Yoshihiro Tajiri, Osaka, JP;
Takuya Hayabuchi, Osaka, JP;
Naohiro Teramoto, Osaka, JP;
Yasuhiko Kojima, Chiba, JP;
Eiji Sakata, Chiba, JP;
Haruyuki Morikawa, Chiba, JP;
Toyo Engineering Corporation, Tokyo, JP;
Abstract
A method for determining a urea concentration in an aqueous solution containing urea, includes: hydrolyzing the urea in the aqueous solution, measuring an electric conductivity χ of the aqueous solution, and determining the urea concentration in the aqueous solution from the electric conductivity χ using a correlation between the urea concentration and an electric conductivity.