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.

Date of Patent:
Aug. 30, 1994

Filed:

Jun. 10, 1992
Applicant:
Inventors:

Harold N Baker, Libertyville, IL (US);

Katherine K Eng, Libertyville, IL (US);

William D Gurner, Chicago, IL (US);

Michael K Massei, Lake Villa, IL (US);

Necklaws: Elizabeth C, Grayslake, IL (US);

Eugene W Osikowicz, Lake Zurich, IL (US);

Sally K Ramp, Gurnee, IL (US);

Paula Trach, Gurnee, IL (US);

Assignee:

Abbott Laboratories, Abbott Park, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
435-792 ; 435-772 ; 435962 ; 436526 ; 436530 ; 436533 ; 436544 ; 436546 ; 436817 ; 436825 ;
Abstract

The present invention relates to the measurement of estradiol using competitive immunoassay methods. The inventors unexpectedly discovered that estrone and its derivatives conjugated to a label is a particularly effective tracer when used in conjunction with estradiol specific antibodies to determine estradiol levels in fluid samples. The present invention also utilizes 5.alpha.-dihydrotestosterone to enhance the assay performance.


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