Protecting and linking groups for organic synthesis
CA 2304061 A1 · Owner: Dekany, Gyula · Inventors: Kellam, Barry; Dekany, Gyula; Toth, Istvan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to methods for synthesis of organic compounds and in , particular to compounds useful as protecting and linking groups for use in the synthesis of peptides, oligosaccharides glycopeptides and glycolipids. The , invention provides protecting and linking groups which are useful in both solid phase and solution synthesis, and are particularly applicable to combinatorial synthesis. In its most general aspect the invention provides a , cyclic compound of general formula (I).
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 September 24, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 24, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 24, 2020.
- 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.