Method for the measurement of tsh
CA 1280691 C · Owner: Nakashima, Toshihiro · Inventors: Eda, Yasuyuki; Unoki, Masanori; Fujita, Haruo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides an improved method for the measurement of TSH in blood or other body fluids by immunoassay such as EIA and RIA, particularly by the sandwich method. The method involves subjecting a test sample containing TSH (antigen) to an antigenantibody reaction with an insolubilized antibody (the solid phase) and an enzyme- or radioisotope-labelled antibody separating the labelled antibody bound to the antigen to be determined from the free labelled antibody and, measuring the amount of the bound antigen. In the method an insolubilized TSH-.beta. subunit-specific monoclonal antibody is used as the solid phase and a labelled TSH-.beta. subunit-specific monoclonal antibody is used …
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 February 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 2008.
- 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.