EP Patent

EP0061333B1 — 9-(2-(3-indolyl)ethyl)-1-oxa-4,9-diazaspiro(5.5)undecan-3-ones

Assigned to Syntex USA LLC · Expires 1986-01-02 · 40y expired

What this patent protects

Compounds useful in the prevention and/or treatment of hypertension, congestive heart failure, arrhythmia, migraine, vasospastic disorders, and asthma are represented by the formula <IMAGE> (I) wherein: R, R1, R2, R3, and R4 are independently hydrogen or lower alkyl of on…

USPTO Abstract

Compounds useful in the prevention and/or treatment of hypertension, congestive heart failure, arrhythmia, migraine, vasospastic disorders, and asthma are represented by the formula <IMAGE> (I) wherein: R, R1, R2, R3, and R4 are independently hydrogen or lower alkyl of one to four carbon atoms; and R5 and R6 are independently hydrogen, lower alkyl of one to four carbon atoms or lower alkoxy of one to four carbon atoms; and the pharmaceutically acceptable acid addition salts thereof.

Drugs covered by this patent

Patent Metadata

Patent number
EP0061333B1
Jurisdiction
EP
Classification
—
Expires
1986-01-02
Drug substance claim
No
Drug product claim
No
Assignee
Syntex USA LLC
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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