CA Patent

CA2549730C — Chemically modified small molecules

Assigned to Nektar Therapeutics · Expires 2012-02-14 · 14y expired

What this patent protects

The invention provides small molecule drugs that are chemically modified by covalent attachment of a water-soluble oligomer obtained from a monodisperse or bimodal water-soluble oligomer composition. A conjugate of the invention, when administered by any of a number of administra…

USPTO Abstract

The invention provides small molecule drugs that are chemically modified by covalent attachment of a water-soluble oligomer obtained from a monodisperse or bimodal water-soluble oligomer composition. A conjugate of the invention, when administered by any of a number of administration routes, exhibits a reduced biological membrane crossing rate as compared to the biological membrane crossing rate of the small molecule drug not attached to the water-soluble oligomer.

Drugs covered by this patent

Patent Metadata

Patent number
CA2549730C
Jurisdiction
CA
Classification
—
Expires
2012-02-14
Drug substance claim
No
Drug product claim
No
Assignee
Nektar Therapeutics
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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