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:
Nov. 27, 2001
Filed:
May. 27, 1998
Applicant:
Inventors:
Eddy Chapoteau, Brooklyn, NY (US);
Bronislaw P. Czech, Peekskill, NY (US);
Jonathan Craine, Monsey, NY (US);
Assignee:
Bayer Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/320 ;
U.S. Cl.
CPC ...
G01N 3/320 ;
Abstract
The present invention provides a reagent for extracting lead ions from a variety of biological matrices such as human whole blood that has been anticoagulated with either heparin or EDTA, and lyophilized human blood and bovine EDTA whole blood. The released lead is measured in situ with a calorimetric porphyrin reagent without further manipulation of the supernatant. The lead ion releasing reagent can be used in conjunction with a variety of assay formats for the determination of lead in various biological fluids.