Analogues of all-bond retroinverted thymopentin, the method for the synthesis of the same and their employment for the preparation of pharmaceutical compositions
CA 2020129 A1 · Owner: Pessi, Antonello · Inventors: Sisto, Alessandro; Pessi, Antonello; Mariotti, Sabina
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New thymopentin (TP5) analogues whose bonds in the peptide chain are all retro-inverted are disclosed. Such new compounds have the following general formula (I), (I), wherein R is hydrogen or an acyl radical and R1 is a, group of the formula -OR2 wherein R2 is a hydrogen atom, or a hydrocarbon radical and the corresponding basic or, acid addition salts which are pharmaceutically acceptable. The new compounds have immunostimulating activity.
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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
- Filed June 29, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 29, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 29, 2012.
- 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.