Immunometric assay for high molecular weight carcinoembryonic antigen
CA 1291422 C · Owner: Centocor, Inc. · Inventors: Brennan, Suzanne E.; Brock, Paul; Schlom, Jeffrey
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved solid phase immunometric assay for detection and quantification of high molecular weight carcinoembryonic antigen (CEA) is disclosed. The assay is a sandwich type assay based upon the unique combination of two anti-CEA monoclonal antibodies, the 3d6 antibody and the COL-1 antibody. In the preferred configuration of assay the 3d6, antibody is insolubilized on the solid phase and the COL-1 antibody is labeled. The assays may be performed in the forward, reverse, or simultaneous format.
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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 October 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 29, 2008.
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Timeline
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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.