Composition and antiviral activity of substituted indoleoxoacetic piperazine derivatives
CA 2413044 A1 · Owner: Wang, Tao · Inventors: Fang, Haiquan; Meanwell, Nicholas A.; Wang, Tao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides compounds having drug and bio-affecting properties their pharmaceutical compositions and mthod of use. In particular the , invention is converned with indoleoxoacetyl piperazine derivatives. These compounds possess unique antiviral activity whether used alone or in , combination with other antivirals antiinfectives, immunomodulators or HIV entry inhibitors. Mor particularly, the present invention relates to the treatment of HIV and AIDS.
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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 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 26, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 2023.
- 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.