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:
Oct. 12, 1993
Filed:
Oct. 16, 1992
Applicant:
Inventors:
Avraham Liav, Denver, CO (US);
James F Maher, Broken Arrow, OK (US);
Craig D Shimasaki, Tulsa, OK (US);
C Worth Clinkscales, Tulsa, OK (US);
Michael D Roark, Owasso, OK (US);
Assignee:
Symex Corp., Broken Arrow, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12Q / ; C12Q / ; C12N / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
435-5 ; 435 18 ; 435201 ; 436165 ; 436168 ;
Abstract
A rapid and direct assay for detecting of a virus having a characteristic enzyme in clinical samples in which (1) the clinical sample is contacted in solution with a substrate for the enzyme which includes a chromogen that is cleaved from the substrate by the enzyme and a precipitating agent that reacts with the liberated chromogen to form a precipitate (2) filtering the solution to concentrate the precipitate and (3) visually observing the concentrated precipitate for the characteristic color of the chromogen.