CA Patent

CA2064742A1 — Xanthine derivatives

Assigned to Boehringer Ingelheim International GmbH · Expires 1991-12-23 · 34y expired

What this patent protects

Abstract The invention relates to new xanthine derivatives of general formula I, processes for preparing them and their use as pharmaceutical compositions.

USPTO Abstract

Abstract The invention relates to new xanthine derivatives of general formula I, processes for preparing them and their use as pharmaceutical compositions.

Drugs covered by this patent

Patent Metadata

Patent number
CA2064742A1
Jurisdiction
CA
Classification
—
Expires
1991-12-23
Drug substance claim
No
Drug product claim
No
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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