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. 10, 1994
Filed:
Oct. 22, 1992
Applicant:
Inventors:
Michael L Bloczynski, Elkhart, IN (US);
Thomas Boecker, Leichlingen, GB;
Paul F Corey, Elkhart, IN (US);
Assignee:
Miles Inc., Elkharb, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
534767 ; 534768 ; 534770 ; 436 74 ; 436 79 ;
Abstract
Disclosed are arylazo chromoionophores characterized by the formula: ##STR1## wherein X is hydrogen or a monovalent cation, Y is H or methoxy and R is a ringed aromatic organic structure which affects the optical absorption properties of the compounds. Also disclosed is a method for the detection of calcium ion using these compounds.