Polypeptide and dnas encoding it
CA 2123250 A1 · Owner: Shibayama, Shiro · Inventors: Shibayama, Shiro; Miyamoto, Tsumoru; Hirano, Atsushi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is related to novel polypeptide consisting of 50 amino acids which is produced in a human glioblastoma cell line a method, of producing it, DNA encoding the said polypeptide a fragment capable of, selectively hybridizing to the DNA sequence a replication or expression, vector comprising the DNA and a host cell transformed with the replication or expression vector. The polypeptide of the present invention may be useful for the prevention of or in the treatment of aplasia or abnormal proliferation of glias, neurons or haematopoient cell depression or enhancement of, immunological or neurological activity inflamatory desease, or tumors. 26
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 May 10, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 10, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 10, 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.