Parenterally administrable microparticles
CA 2429100 A1 · Owner: Pacira Pharmaceuticals, Inc. · Inventors: Laakso, Timo; Reslow, Mats; Jonsson, Monica
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for producing microparticles containing biologically active substance, in which process an aqueous solution of the said substance is prepared, this solution is mixed with an aqueous soltion of PEG such that the substance is concentrated and/or solidified the substance is optionally , washed, the substance is mixed with an aqueous starch solution the , composition obtained is mixed, after the admixture of the starch solution with a polymer soltution, thereby forming an emulsion of starch droplets in the polymer solution, the starch droplets are solidified into microparticles the droplets are solidified into microparticles the microparticles are dried , and a release-controlling …
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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 October 5, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 5, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 5, 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.