CA Patent

CA2568391A1 — Coated tablet formulation and method

Assigned to AstraZeneca AB · Expires 2005-12-15 · 20y expired

What this patent protects

A coated tablet formulation is provided which includes a medicament such as the DPP4-inhibitor, saxaglipitin, formula (I), or its HCl salt, which is subject to intra-molecular cyclization, which formulation includes a tablet core containing one or more fillers, and other conventi…

USPTO Abstract

A coated tablet formulation is provided which includes a medicament such as the DPP4-inhibitor, saxaglipitin, formula (I), or its HCl salt, which is subject to intra-molecular cyclization, which formulation includes a tablet core containing one or more fillers, and other conventional excipients, which tablet core includes a coating thereon which may include two or more layers, at least one layer of which is an inner seal coat layer which is formed of one or more coating polymers, a second layer of which is formed of medicament which is the DPP4-inhibitor and one or more coating polymers, and an optional, but preferable third outer protective layer which is formed of one or more coating polymers. A method for forming the coated tablet is also provided.

Drugs covered by this patent

Patent Metadata

Patent number
CA2568391A1
Jurisdiction
CA
Classification
Expires
2005-12-15
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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