Secretory protein- zsig48
CA 2344712 A1 · Owner: Lok, Si · Inventors: Lok, Si; Sheppard, Paul O.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Secretory Protein - 48 (Zsig48), polypeptides polynucleotides encoding said , polypeptides antibodies which specifically bind to Zsig48 and anti-idiotypic antibodies. Zsig48 polypeptides cause leukocytes to proliferate and thus can be used to elevate leukocytes in cancer treatments and in immunosuppressed patients.
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 October 1, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 1, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 1, 2021.
- 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.