CA Patent

CA2213507A1 — Pharmaceutical composition for treating transient ischemic attack

Assigned to Takeda Pharmaceutical Co Ltd · Expires 1996-08-29 · 30y expired

What this patent protects

A pharmaceutical composition for treating a transient ischemic attack which comprises a compound of formula (I), wherein R1 is a pyridyl group, R2 is a phenyl, thienyl, furyl, naphthyl, benzothienyl or pyridyl group, which may be substituted with a lower alkoxy group, a lower alk…

USPTO Abstract

A pharmaceutical composition for treating a transient ischemic attack which comprises a compound of formula (I), wherein R1 is a pyridyl group, R2 is a phenyl, thienyl, furyl, naphthyl, benzothienyl or pyridyl group, which may be substituted with a lower alkoxy group, a lower alkyl group, a halogen atom, trifluoromethyl group, a lower alkenyl group or/and methylenedioxy group, R3 is hydrogen atom or a lower alkyl group, and l is an integer of 0 to 6, Y is sulfur atom, methylene group or a group of formula (a), wherein R4 is hydrogen atom or acetyl group, and m is 0 or 1, or a pharmaceutically acceptable salt.

Drugs covered by this patent

Patent Metadata

Patent number
CA2213507A1
Jurisdiction
CA
Classification
Expires
1996-08-29
Drug substance claim
No
Drug product claim
No
Assignee
Takeda Pharmaceutical Co Ltd
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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