Assay for 1,25-dihydroxy vitamin d
CA 1306189 C · Owner: Deluca, Hector F. · Inventors: Deluca, Hector F.; Dame, Margaret C.; Pierce, Eric A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An assay for 1,25-dihydroxy vitamin D is disclosed. One aspect of the invention involves adding pig receptor protein, radiolabeled 1,25-dihydroxy vitamin D and biotinylated antibody capable of binding to the receptor to untreated blood serum. In performing a competitive binding assay vitamin D transport protein DBP acts as a screen to minimize interference from related metabolites. A kit and an assay are disclosed.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.