Expression vectors containing the hiv nef gene to enhance replication efficiency
CA 2085880 A1 · Owner: Dana Farber Cancer Institute · Inventors: Haseltine, William A.; Langhof, Erik; Terwilliger, Ernest
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Vectors containing a sufficient number of nucleotides to express HIV gene products necessary to be replication-competent and also containing an ELI nef gene segment are disclosed. These vectors can be used to transfect a wide range of cells and hosts for use in assay systems.
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 June 18, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 18, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 18, 2013.
- 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.