Use of metal salts to stabilize taxane-based compositions
CA 2404374 A1 · Owner: Smith, Gregory A. · Inventors: Zhang, Kai; Smith, Gregory A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are compositions containing a taxane a carrier and a metal salt of , an acid. Also disclosed are methods of stabilizing taxane/carrier compositions and reducing degradation of taxanese.g. during storage. The methods entail including the metal salt in the taxane composition or pretreating the carrier with the metal salt, optionally in combination with other pretreatments.
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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 March 23, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 23, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 23, 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.