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:
Aug. 19, 1997
Filed:
Feb. 17, 1995
Applicant:
Inventors:
Richard Alfred Greene, Westford, MA (US);
Patricia Ann Kasila, Windham, NH (US);
Mark Norman Bobrow, Lexington, MA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01N / ;
U.S. Cl.
CPC ...
435-724 ; 435-792 ; 435-795 ; 435967 ; 435974 ; 424534 ; 4241541 ; 436524 ; 436531 ; 436541 ; 436546 ; 436548 ; 436 63 ; 436172 ; 436811 ;
Abstract
This invention relates to a cell enumeration immunoassay which uses a calibrated standard, i.e., a substance which behaves like the sample under study and the concentration of which can be correlated to the concentration of the cells. This immunoassay is an efficient alternative to flow cytometry.