Peptides for inducing cytotoxic t lymphocyte responses to hepatitis b virus
CA 2594184 A1 · Owner: The Scripps Research Institute · Inventors: Chisari, Francis V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Peptides are used to define epitopes that stimulate HLA-restricted cytotoxic T lymphocyte activity against hepatitis B virus antigens. The peptides are derived from, regions of HBV envelope, and are particularly useful in treating or preventing HBV, infection, including methods for stimulating the immune response of chronically infected, individuals to respond to HBV antigens.
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 February 25, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 25, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 25, 2016.
- 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.