US Patent

US8598152 — Co-crystals of tramadol and coxibs

Composition of Matter · Assigned to Laboratorios del Dr Esteve SA · Expires 2030-04-19 · 4y remaining

Vulnerability score 10/100 Ironclad — strong claim type, well-established, deep family

What this patent protects

This patent protects co-crystals of tramadol combined with co-crystal formers selected from NSAIDs or coxibs, and processes for their preparation.

USPTO Abstract

The present invention relates to co-crystals of tramadol and co-crystal formers selected from NSAIDs/coxibs, processes for preparation of the same and their uses in pharmaceutical formulations for the treatment of pain.

Drugs covered by this patent

Patent Metadata

Patent number
US8598152
Jurisdiction
US
Classification
Composition of Matter
Expires
2030-04-19
Drug substance claim
Yes
Drug product claim
Yes
Assignee
Laboratorios del Dr Esteve 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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