CA Patent

CA2812649C — Crystalline naloxol-peg conjugate

Assigned to AstraZeneca AB · Expires 2016-03-01 · 10y expired

What this patent protects

Naloxol-polyethylene glycol conjugates of the formula: (see formula above) are provided in oxalate or phosphate salt forms including crystalline forms. Methods of preparing the salt forms and pharmaceutical compositions comprising the salt forms are also provided.

USPTO Abstract

Naloxol-polyethylene glycol conjugates of the formula: (see formula above) are provided in oxalate or phosphate salt forms including crystalline forms. Methods of preparing the salt forms and pharmaceutical compositions comprising the salt forms are also provided.

Drugs covered by this patent

Patent Metadata

Patent number
CA2812649C
Jurisdiction
CA
Classification
—
Expires
2016-03-01
Drug substance claim
No
Drug product claim
No
Assignee
AstraZeneca AB
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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