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:
Sep. 14, 1993
Filed:
Nov. 29, 1991
Applicant:
Inventors:
Howard M Kingston, Jr, Gaithersburg, MD (US);
John M Riviello, Santa Cruz, CA (US);
Archava Siriraks, Rockville, MD (US);
Assignee:
The United States of America as represented by the Secretary of Commerce, Washington, DC (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
422 681 ; 422 70 ; 422 81 ; 210660 ;
Abstract
A system is provided for the detection of transition elements and/or rare earth elements in an aqueous sample which also contains high concentrations of alkali and alkaline earth metals. The system is effective for determination of transition elements and/or rare earth elements in sea water, industrial waste streams, biological fluids and biological issue samples.