Assay for unbound hormones and pharmaceuticals using a matrix with immobilized antibodies
CA 1108531 A · Owner: Chandon Investment Planning Ltd. · Inventors: Thoma, Hans A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a method for the determination of unbound hormones and pharmaceuticals comprising placing a solution containing unbound hormones, hormones bound to bonding proteins and bonding proteins into contact with an immobilized antibody; reacting the unbound hormone with the antibody; eluting the hormones bound to bonding proteins and the bonding hormones with a solution containing a marked hormone; reacting the marked hormone with the antibody; eluting the marked hormone not reacted with the antibody, and determining the marked hormone by radioimmunological evaluation.
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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 September 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 1998.
- 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.