Synthesis of salmon calcitonin
CA 1055930 A · Owner: Armour Pharmaceutical Company · Inventors: Liu, Robert C.; Hughes, John L.; Seyler, Jay K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Resin peptides useful in the preparation of salmon calcitonin are disclosed along with processes for preparing the same. The invention also embraces peptides from which the resin moiety has been cleaved and which are useful in the synthesis of salmon calcitonin together with processes for preparing the cleaved peptides. In general the processes involve the solid phase synthesis procedures. The invention deals with new compounds containing an amino acid chain similar to that of salmon calcitonin and new methods for closing the ring strucutre in such compounds to produce calcitonin.
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
- Granted June 5, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 1996.
- 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.