Single radial complement fixation test
CA 1197461 A · Owner: Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty'S Canadian Government · Inventors: Fulton, Roberta E.; Dininno, Vincent L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention described is a test method and testing kit used in the detection and quantitation of complement fixation antimicrobial antibodies such, as antiviral antibodies, in human or animal serum samples. The test procedure utilizes Staphylococcal protein A-coated red blood cells immobilized in a gel into which is encorporated a specific microbial antigen. Undiluted heat inactivated serum samples are allowed to diffuse radially from wells punched in the solidified gel. Protein A serves to concentrate the subsequent antigen-antibody reaction on the surface of the red blood cell. Zones of hemolysis are developed by flooding with complement. The diameter Or the zone of hemolysis is …
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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 December 3, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 3, 2002.
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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.