Method for the removal of the formyl group from an ester of an n-formyl peptide or n-formyl aminoacid
CA 1290896 C · Owner: Lark S.P.A. · Inventors: Cantarini, Giuseppe; Da Col, Marco; Bolis, Goffredo A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for the removal of the formyl group from an ester of an N-formyl peptide or N-formyl aminoacid in which the ester, is reacted with urea in the presence of a polar solvent and a strong acid, is disclosed. The method is highly selective and gives a high reaction yield, and can be carried out with the use of reagents which are widely available on the market and of low cost.
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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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
- 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
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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.