US Patent
US8883805 — Process for the preparation of chiral 8-(3-aminopiperidin-1-yl)-xanthines
Formulation · Assigned to Boehringer Ingelheim International GmbH · Expires 2025-11-26 · 0y expired
Vulnerability score
28/100
Strong — defensible against typical IPR challenges
What this patent protects
This patent protects an improved process for preparing enantiomerically pure 8-(3-aminopiperidin-1-yl)-xanthines.
USPTO Abstract
The invention relates to an improved process for preparing enantiomerically pure 8-(3-aminopiperidin-1-yl)-xanthines.
Drugs covered by this patent
- Tradjenta (LINAGLIPTIN) · Boehringer Ingelheim
- Jardiance (empagliflozin) · Boehringer Ingelheim
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.
Track this patent
Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.