EP2177215A1 — Co-crystals of tramadol and NSAIDs
Assigned to Esteve Pharmaceuticals SA · Expires 2010-04-21 · 16y expired
What this patent protects
The present invention relates to co-crystals of tramadol and co-crystal formers selected from NSAIDs, processes for preparation of the same and their uses as medicaments or in pharmaceutical formulations, more particularly for the treatment of pain. In a preferred embodiment, co…
USPTO Abstract
The present invention relates to co-crystals of tramadol and co-crystal formers selected from NSAIDs, processes for preparation of the same and their uses as medicaments or in pharmaceutical formulations, more particularly for the treatment of pain. In a preferred embodiment, co-crystals of (-)tramadol-(S)-naproxen (1:2) and (+)tramadol-(R)-naproxen (1:2) are prepared.
Drugs covered by this patent
- Celebrex (celecoxib) · Pfizer Inc. (originally Searle/Pharmacia)
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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