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. 16, 1992
Filed:
Feb. 13, 1989
Applicant:
Inventors:
Paul F Corey, Elkhart, IN (US);
M Teresa Yip, Elkhart, IN (US);
Assignee:
Miles Inc., Elkhart, IN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ; C12Q / ; G01N / ;
U.S. Cl.
CPC ...
536 172 ; 536-41 ; 536 173 ; 536 177 ; 536 175 ; 435 14 ; 435 18 ; 435 19 ; 435 21 ;
Abstract
Chromogenic merocyanine enzyme substrate compounds of the general formula: ##STR1## where Y is an enzymatically-cleavable group such as a radical of a sugar, carboxylic acid, amino acid, peptide, phosphoric acid, or sulfuric acid; A and B represent residues that complete 5- or 6-membered ring systems; R.sup.1 is substituted or unsubstituted alkyl; R.sup.2 and R.sup.3, independently, are hydrogen or lower alkyl; m, n, and p, which can be different, are integers from 0 through 3 provided that m+n+p must be at least 2; and X is an appropriate counterion (anion).