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:
Jun. 14, 2011
Filed:
Nov. 10, 2006
Applicants:
Martin Kreyenschmidt, Lohne, DE;
Christian Mans, Steinfurt, DE;
Stephanie Hanning, Havixbeck, DE;
Inventors:
Assignee:
Fachhochschule Münster, Münster, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 31/00 (2006.01); G01N 33/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A standard calibration set having at least three calibration standards. Each standard is a molded article made of a thermoplastic polymer which contains the elements Cd, Cr, Pb, Hg and Br, with the Cr:Pb:Hg:Br:Cd ratio being different in each of the three calibration standards. Further disclosed is a method for manufacturing the calibration standards and their use in X-ray fluorescence analysis.