CA2136803A1 — Steroid derivatives
Assigned to Senju Pharmaceutical Co Ltd · Expires 1995-06-23 · 31y expired
What this patent protects
This invention provides a novel steroid derivative having the structure of an ester between the carboxyl group of a quinolonecarboxylic acid and the alcoholic hydroxyl group in 21-position of a steroid compound, which has the following formula (I) (wherein R is a hydrogen atom, a…
USPTO Abstract
This invention provides a novel steroid derivative having the structure of an ester between the carboxyl group of a quinolonecarboxylic acid and the alcoholic hydroxyl group in 21-position of a steroid compound, which has the following formula (I) (wherein R is a hydrogen atom, a methyl group or a hydroxyl group) or a pharmacologically acceptable salt thereof. (I) The compound of this invention has high antibacterial activity and antiinflammatory activity in one
Drugs covered by this patent
- Abilify (aripiprazole) · Generic (originally Otsuka/BMS)
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.
Track this patent
Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.