Transmissible spongiform encephalopathy test reagents and methods
CA 2558365 C · Owner: Idexx Laboratories, Inc. · Inventors: Toomik, Reet; Estey, Lisa Ann
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides improved methods and compositions for selectively binding and/or , detecting an aggregating abnormal form of a (prion) protein in the presence of non-aggregating normal form of the (prion) protein using a polyionic material , having a binding avidity for the abnormal aggregating form of the (prion) protein a , zwitterionic agent (a , ZWITTERGENT ® or an EMPIGEN ® e.g.) and a discriminating agent (such , as laurylsarcosine).
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
- Filed April 5, 2005 and granted August 18, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 5, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.