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:
Dec. 24, 1991
Filed:
Dec. 01, 1989
Applicant:
Inventors:
Sophie Fan, Millwood, NY (US);
Gena Fischer, Harrington Park, NJ (US);
Assignee:
Technicon Instruments Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
250459 ; 2504612 ; 424-71 ; 436 63 ; 436 96 ; 436172 ; 436520 ; 514452 ; 546107 ;
Abstract
Quaternized derivatives of acridine orange and reagents incorporating such derivatives and their use in quantitatively determining reticulocyte levels in whole blood specimen by fluorescence flow cytometry techniques are disclosed. The quaternized derivatives of acridine orange are of the general formula: ##STR1## wherein Y is bromide (Br.sup.-) or iodide (I.sup.-), and