Antiviral combinations containing the carbocyclic nucleoside 1592u89
CA 2289655 A1 · Owner: Barry, David Walter · Inventors: Barry, David Walter; St. Clair, Martha Heider
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to therapeutic combinations of (-)-(1S 4R)-4-2-, amino-6- (cyclopropylamino)-9H-purin-9-yl -2-cyclopentene-1-methanol (1592U89) and non-nucleoside reverse transcriptase inhibitors which have anti- HIV activity. The present invention is also concerned with pharmaceutical compositions containing said combinations and their use in the treatment of HIV infections.
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 May 14, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 14, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 14, 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.