Infectious clone of human parvovirus b19 and methods
CA 2474032 C · Owner: Zhi, Ning · Inventors: Tijssen, Peter; Zadori, Zoltan; Brown, Kevin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to infectious clones of parvovirus B19 methods of , cloning, infectious B19 clones and methods of cloning viral genomes that have secondary DNA, structures that are unstable in bacterial cells. A B19 infectious clone and methods of producing, B19 infectious clones are useful for producing infectious virus. Infectious virus is useful for, identifying and developing therapeutically effective compositions for treatment and/or, prevention of human parvovirus B19 infections.
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 July 9, 2004 and granted September 9, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 9, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 9, 2026.
- 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.