Hairless mouse sensitive to helicobacter pylori
CA 2233118 A1 · Owner: Nisshin Pharma Inc. · Inventors: Shimizu, Akio; Nakagawa, Yoshio; Kimura, Nobutake
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to NS:Hr/ICR hairless mouse sensitive to H. pylori which can be used for the experimental model for H. pylori infection. This NS:Hr/ICR hairless mouse whose embryos were, deposited as IAR-NHI 9701 animal at the Institute of Animal Breeding (a foundational juridical person) can, be easily infected with H. pylori on its alimentary canal and is useful for an experimental animal model for H. pylori infection.
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 March 25, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 25, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 25, 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.