CA Patent

CA2226340A1 — Drug for ameliorating brain diseases

Assigned to Wakunaga Pharmaceutical Co Ltd · Expires 1997-01-30 · 29y expired

What this patent protects

A drug for ameliorating brain diseases which comprises as the active ingredient a compound represented by general formula (1) or a salt thereof wherein R1 represents H, OH, lower alkoxy or lower alkyl; R2 and R3 represent H, optionally substituted lower alkyl, lower alkenyl, opti…

USPTO Abstract

A drug for ameliorating brain diseases which comprises as the active ingredient a compound represented by general formula (1) or a salt thereof wherein R1 represents H, OH, lower alkoxy or lower alkyl; R2 and R3 represent H, optionally substituted lower alkyl, lower alkenyl, optionally substituted phenyl or optionally substituted styryl; and X represents O or N optionally substituted by lower alkyl. Because of inhibiting a decrease in brain neurons and promoting the branching of neurites, this drug is efficacious in the prevention and treatment of dementia, etc. in association with the degeneration and sloughing of brain neurons.

Drugs covered by this patent

Patent Metadata

Patent number
CA2226340A1
Jurisdiction
CA
Classification
—
Expires
1997-01-30
Drug substance claim
No
Drug product claim
No
Assignee
Wakunaga 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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