Pharmaceutical compositions of estrogenic agents
CA 2415058 A1 · Owner: Suryawanshi, Jiwaji Gulabrao · Inventors: Dulin, Wendy Ann; Benjamin, Eric Joel; Suryawanshi, Jiwaji Gulabrao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention comprises novel pharmaceutical carrier or excipient systems and oral pharmaceutical formulations comprising as an active ingredient raloxifene amoxifen, droloxifene, arzoxifene, or CP 336156 or analogs thereof, or a compound of formulae (I) or (II) wherein Z is a moiety selected from the group of formulae (a b or c), wherein: R¿1? is selected from H OH or the C¿1?-C¿12? esters alkyl ethers thereof benzyloxy, or halogen; or C¿1?-C¿4? halogenated ethers; R¿2? R¿3?, R¿4?, R¿5?, and R¿6? are H, OH or C¿1?-C¿12? esters or alkyl ethers thereof halogens, or C¿1?-C¿4? halogenated ethers cyano, C¿1?-C¿6? alkyl, or CF¿3?, with the proviso that when R¿1? is H, R¿2? is not OH; Y is the …
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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, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 29, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 29, 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.