Pharmaceutical formulations of antineoplastic agents, in particular temozolomide, processes of making and using the same
CA 2662899 A1 · Owner: Radhakrishnan, Vinay · Inventors: Ugwu, Sydney; Witchey-Lakshmanan, Leonore Catherine; Radhakrishnan, Vinay
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In its several embodiments, this invention discloses a pharmaceutical formulation comprising, at least one antineoplastic agent or a pharmaceutically acceptable salt thereof, and at least one, dissolution enhancing agent sufficient to substantially dissolve said at least one antineoplastic, agent in at least one aqueous diluent wherein said dissolution enhancing , agent is urea L-, histidine, L-threonine, L-asparagine L-serine, L-glutamine or mixtures , thereof; a lyophilized powder comprising said pharmaceutical formulation and articles of manufacture , thereof.
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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 February 20, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 20, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 20, 2025.
- 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.