CA2726599C — Process for treprostinil salt preparation
Assigned to Sandoz Inc · Expires 2017-07-25 · 9y expired
What this patent protects
Disclosed is a process for preparing a treprostinil salt. The process involves the step of dissolving treprostinil in a water-miscible organic solvent to form a treprostinil solution. The treprostinil solution is reacted with an aqueous basic solution containing an alkali metal c…
USPTO Abstract
Disclosed is a process for preparing a treprostinil salt. The process involves the step of dissolving treprostinil in a water-miscible organic solvent to form a treprostinil solution. The treprostinil solution is reacted with an aqueous basic solution containing an alkali metal cation to form treprostinil salt. Allowing crystallization of the treprostinil salt to take place, and then collecting the treprostinil salt formed.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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