Methods for detecting or assaying virus
CA 2493240 A1 · Owner: Kimura, Tatsuji · Inventors: Yagi, Shintaro; Aoyagi, Katsumi; Kimura, Tatsuji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for treating a hepatitis C or hepatitis B virus-containing sample, characterized by treatment of the virus-containing sample with a treatment solution containing (1) an anionic surfactant and (2) an amphoteric surfactant nonionic, surfactant or protein denaturant and a virus assay method, using said treating method. Also provided is a method for treating a hepatitis C virus-containing sample characterized, by treatment of the virus-containing sample with a treatment solution containing (1) a chaotropic ion and (2) an acidifying agent, and a virus assay method using said treating method. Further provided is a hepatitis C virus assay method comprising treating a hepatitis C virus …
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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
- Filed August 4, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 4, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 4, 2020.
- 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.