CA Patent

CA2982825C — Processes for the preparation of galnac acid derivatives

Assigned to F Hoffmann La Roche AG · Expires 2023-10-17 · 3y expired

What this patent protects

The invention comprises a new process for the preparation of GalNAc derivatives of the formula I wherein n is an integer between 0 and 10 and its salts, corresponding enantiomers and/ or optical isomers thereof. The GalNAc acid derivative of formula I can be used for the preparat…

USPTO Abstract

The invention comprises a new process for the preparation of GalNAc derivatives of the formula I wherein n is an integer between 0 and 10 and its salts, corresponding enantiomers and/ or optical isomers thereof. The GalNAc acid derivative of formula I can be used for the preparation of therapeutically valuable GalNAc oligonucleotide conjugates.

Drugs covered by this patent

Patent Metadata

Patent number
CA2982825C
Jurisdiction
CA
Classification
Expires
2023-10-17
Drug substance claim
No
Drug product claim
No
Assignee
F Hoffmann La Roche AG
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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