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:
Mar. 13, 2012
Filed:
Mar. 03, 2004
Franz Paul Armbruster, Bobenheim-Roxheim, DE;
Wolfgang Voelter, Tübingen, DE;
Jens Tampe, München, DE;
Christian Birkmayer, München, DE;
Franz Paul Armbruster, Bobenheim-Roxheim, DE;
Wolfgang Voelter, Tübingen, DE;
Jens Tampe, München, DE;
Christian Birkmayer, München, DE;
Immundiagnostik AG, Bensheim, DE;
Biomedica GmbH, Vienna, AT;
Abstract
The preparation of vitamin D compounds of formula (I) with a label attached to a spacer group in the 3 position is disclosed. In the above formula (I), O represents the oxygen atom of an ether group; Y represents hydrogen or hydroxy; A represents a label such as biotin, digoxigenin, or another vitamin D group; R represents a substituted hydrocarbon side-group of vitamin D or a vitamin D metabolite. Also disclosed is a method of measuring 25-hydroxy vitamin D metabolite and a 1α,25-dihydroxy vitamin D metabolite in a sample.