AU Patent

AU2009304235B2 — Co-crystals of tramadol and NSAIDs

Assigned to Esteve Pharmaceuticals SA · Expires 2015-05-07 · 11y 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, the…

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, the co-crystal is a co-crystal of (-) -tramadol and (S) -naproxen (1:2); (+) -tramadol and (R) -naproxen (1:2) or (rac) -tramadol-Hcl-celecoxib (1:1).

Drugs covered by this patent

Patent Metadata

Patent number
AU2009304235B2
Jurisdiction
AU
Classification
—
Expires
2015-05-07
Drug substance claim
No
Drug product claim
No
Assignee
Esteve Pharmaceuticals SA
Source
FDA Orange Book + USPTO grounding via Google Patents

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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