System for rate immunonephelometric analysis
CA 1081497 A · Owner: Beckman Instruments, Inc. · Inventors: Studholme, Robert M.; Anderson, Robert J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for the detection of precipitate-forming antigens by means of the reaction with their corresponding antibodies is disclosed. The reaction of precipitate-forming antigens with their respective antibodies produces a precipitate in proportion to either the antibody concentration or the antigen concentration depending on which is present in excess. The method does not require formation of actual precipitate but measure the forma-, tion of "scattering centers" -- i.e. molecular aggregates of sufficient size to produce measurable scatter of light. The quantity of scattering centers formed is measured by nephelometric means and the measuring system performs and immunonephelometric …
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 July 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 1997.
- 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.