Binding assay using a solid ion exchange adsorbent
CA 1108530 A · Owner: Miles Laboratories, Inc. · Inventors: Carpenter, Stephen K.; Schick, Lloyd A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and test means for determining a specific binding substance, such as an antigen or hapten in a liquid, sample wherein a solid, nonspecific adsorbent is contacted preferably in sequence, with the sample and a labeled form of a binding partner for the substance to be determined such as, a labeled antibody. The amount of label which becomes associated with the adsorbent by binding of the labeled binding partner to the adsorbed substance to be determined i.e. in a sandwich fashion, is a function of the amount of the substance to be determined in the liquid sample. Preferably the, adsorbent is an ion exchange material and the assay steps are, carried out under pH conditions between the …
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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.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.