US Patent

US8846744 — Pharmaceutical compositions of co-crystals of tramadol and coxibs

Formulation · Assigned to Laboratorios del Dr Esteve SA · Expires 2031-06-03 · 5y remaining

Vulnerability score 48/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects oral pharmaceutical compositions containing co-crystals of tramadol and celecoxib, used for treating pain.

USPTO Abstract

The present invention relates to oral pharmaceutical compositions comprising co-crystals of tramadol and celecoxib and processes for the preparation of these oral pharmaceutical compositions. The present invention also relates to methods of using oral pharmaceutical compositions comprising co-crystals of tramadol and celecoxib as medicaments, more particularly for the treatment of pain.

Drugs covered by this patent

Patent Metadata

Patent number
US8846744
Jurisdiction
US
Classification
Formulation
Expires
2031-06-03
Drug substance claim
No
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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