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:
Nov. 25, 1997
Filed:
Jun. 21, 1995
Applicant:
Inventors:
Yuji Kawabata, Isehara, JP;
Yoshiyuki Toge, Sagamihara, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
436125 ; 436124 ; 436164 ; 436165 ; 436169 ; 436172 ; 436800 ; 422 56 ; 422 8205 ; 422 8206 ; 422 8207 ; 422 8208 ; 422 8211 ; 2504581 ; 2504591 ;
Abstract
Provided is a fluorometric analytical method for detecting chloride ion in a sample by quenching of fluorescence of a fluorescent dye, the fluorescent dye being one of 3,6-bis(dimethylamino)acridine and a derivative thereof of the formulae ##STR1## wherein R is alkyl having 1 to 30 carbon atoms, and X.sup.- is a halogen ion.