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:
Jun. 24, 1997
Filed:
Jun. 23, 1995
Applicant:
Inventors:
Assignee:
Johnson & Johnson Clinical Diagnostics, Inc., Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; C07D / ;
U.S. Cl.
CPC ...
436 73 ; 436 74 ; 436 79 ; 422 8206 ; 422 8211 ; 549348 ;
Abstract
##STR1## The invention provides compounds represented by formula (I), wherein Y is --(CH.sub.2).sub.2 [O(CH.sub.2).sub.2 ].sub.n -- in which n is an integer from 1 to 6; Z is --N.dbd.N--Ar in which Ar is a substituted or unsubstituted aryl group; Q is hydrogen or an alkyl group having from 1 to 4 carbon atoms; each R independently is hydrogen or a substituent free of acidic protons; and X is R or Z. The compounds are ion-sensitive dyes suitable for use in optical ion sensors.