US Patent

US10004743 — Process for drying of BIBW2992, of its salts and of solid pharmaceutical formulations comprising this active ingredient

Formulation · Assigned to Boehringer Ingelheim International GmbH · Expires 2030-07-05 · 4y remaining

Vulnerability score 31/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects a drying process for the active ingredient BIBW2992, specifically its dimaleate salt, and solid pharmaceutical formulations containing it.

USPTO Abstract

The present invention relates to a drying process of BIBW 2992 or the salts thereof, preferably the dimaleate salt, as well as of solid pharmaceutical formulations comprising BIBW2992 or a salt thereof, and to pharmaceutical compositions comprising BIBW 2992 or a salt thereof as the active product ingredient, characterized by a water activity of the formulation of not more than 0.20 or a water content (Karl-Fischer) of not more than 4.2%.

Drugs covered by this patent

Patent Metadata

Patent number
US10004743
Jurisdiction
US
Classification
Formulation
Expires
2030-07-05
Drug substance claim
No
Drug product claim
Yes
Assignee
Boehringer Ingelheim International GmbH
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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