CA Patent

CA3175974A1 — Hydrogel irradiation

Assigned to Ascendis Pharma AS · Expires 2021-11-11 · 5y expired

What this patent protects

The present invention relates to a process for the irradiation of a water-insoluble conjugate comprising a polymer Z to which a plurality of moieties -L2-L1-D is covalently conjugated or of a water-insoluble complex comprising a plurality of releasably and non-covalently bound dr…

USPTO Abstract

The present invention relates to a process for the irradiation of a water-insoluble conjugate comprising a polymer Z to which a plurality of moieties -L2-L1-D is covalently conjugated or of a water-insoluble complex comprising a plurality of releasably and non-covalently bound drug molecules D-H or D-OH embedded in a polymer Z', wherein the process comprises the steps of (a) providing said conjugate or complex; and (b) exposing the conjugate or complex to ionizing radiation; wherein each -L2- is independently a chemical bond or is a spacer moiety; each -L1- is independently a linker moiety covalently and reversibly attached to -D; and each -D is independently a drug moiety.

Drugs covered by this patent

Patent Metadata

Patent number
CA3175974A1
Jurisdiction
CA
Classification
Expires
2021-11-11
Drug substance claim
No
Drug product claim
No
Assignee
Ascendis Pharma AS
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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