Conjugate for enzyme immuno determinations
CA 1263601 C · Owner: Mattersberger, Johann · Inventors: Kleinhammer, Gerd; Mattersberger, Johann; Haug, Harald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Conjugate for enzyme immuno determinations The present invention provides a process for the preparation of a conjugate, suitable for enzyme immuno determinations, from a labelling enzyme which contains a carbohydrate part, such as peroxidase and an immunologically effective substance with the use of a coupling method acting on the protein part of the labelling enzyme, wherein, before or after coupling with the immunologically effective substance the labelling enzyme is oxidised with periodic acid or with an alkali metal salt thereof in an aqueous medium and the oxidation product is then reduced with sodium borohydride. The present invention also provides a conjugate which can be prepared by …
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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 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 5, 2006.
- 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
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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.