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. 23, 1999
Filed:
Oct. 17, 1997
Applicant:
Inventors:
Tetsuo Nagano, Suginami-ku, Tokyo 166, JP;
Hirotatsu Kojima, Tokyo, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; G01N / ;
U.S. Cl.
CPC ...
549223 ; 548256 ; 436172 ; 25230119 ; 25230121 ;
Abstract
A compound useful for the measurement of nitrogen monoxide under a substantially neutral condition which is represented by the following formula (I): ##STR1## wherein R.sup.1 and R.sup.2 represent amino groups that substitute at adjacent positions on the phenyl ring; R.sup.3 and R.sup.4 independently represent a hydrogen atom or an acyl group; R.sup.5, R.sup.6, R.sup.7, and R.sup.8 independently represent a hydrogen atom, a C.sub.1-6 alkyl group, allyl group, or a halogen atom.