EP0850926A2 — Difluoroprostaglandin derivatives and their use
Assigned to Santen Pharmaceutical Co Ltd · Expires 1998-07-01 · 28y expired
What this patent protects
A fluorine-containing prostaglandin derivative of the formula (1) or a salt thereof, and a medicine containing it, particularly, as a preventive or therapeutic medicine for an eye disease: wherein A is a vinylene group or the like, R 1 is an aryloxyalkyl group or the like, R 2…
USPTO Abstract
A fluorine-containing prostaglandin derivative of the formula (1) or a salt thereof, and a medicine containing it, particularly, as a preventive or therapeutic medicine for an eye disease: wherein A is a vinylene group or the like, R 1 is an aryloxyalkyl group or the like, R 2 and R 3 are hydrogen atoms or the like, and Z is OR 4 , therein OR 4 is a hydrogen atom or an alkyl group or the like.
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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