CA Patent

CA2653741C — Controlled release of phenolic opioids

Assigned to Signature Therapeutics Inc · Expires 2015-07-07 · 11y expired

What this patent protects

A method of providing a patient with controlled release of a phenolic opioid using a prodrug capable, upon enzymatic activation, of releasing the phenolic opioid through intra-molecular cyclization leading to formation of a cyclic urea, carbamate or thiocarbamate.

USPTO Abstract

A method of providing a patient with controlled release of a phenolic opioid using a prodrug capable, upon enzymatic activation, of releasing the phenolic opioid through intra-molecular cyclization leading to formation of a cyclic urea, carbamate or thiocarbamate.

Drugs covered by this patent

Patent Metadata

Patent number
CA2653741C
Jurisdiction
CA
Classification
Expires
2015-07-07
Drug substance claim
No
Drug product claim
No
Assignee
Signature Therapeutics Inc
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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