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. 24, 2019
Filed:
Dec. 27, 2011
Applicants:
Leon Maria Jacobus Wilhelmus Swinkels, Bemmel, NL;
Antonius Franciscus Maas, Grave, NL;
Michael Franciscus Wilhelmus Cornelis Martens, Helmond, NL;
Inventors:
Leon Maria Jacobus Wilhelmus Swinkels, Bemmel, NL;
Antonius Franciscus Maas, Grave, NL;
Michael Franciscus Wilhelmus Cornelis Martens, Helmond, NL;
Assignee:
FUTURE DIAGNOSTICS B.V., Wijchen, NL;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 33/82 (2006.01);
U.S. Cl.
CPC ...
G01N 33/82 (2013.01);
Abstract
Disclosed is an invention in the field of conducting an immunoassay of 25(OH) vitamin D in blood or blood components, notably serum or plasma. The invention employs a perfluoro alkyl acid, or a salt thereof, to release 25(OH) vitamin D from vitamin D binding protein. Thereafter the binding protein comprising the 25-OH vitamin D is subjected to a competitive binding assay with a labeled vitamin D compound.