EP Patent

EP0301861A1 — Cell proliferation inhibitors

Assigned to Takeda Pharmaceutical Co Ltd · Expires 1989-02-01 · 37y expired

What this patent protects

A compound of the formula: wherein, R¹ and R² are the same or different, representing methyl or methoxy groups, or form -CH=CH-CH=CH- by binding to each other; R³ is an aromatic group or a heterocyclic group which may be substituted; and n is an integer of 2 to 8, shows inh…

USPTO Abstract

A compound of the formula: wherein, R¹ and R² are the same or different, representing methyl or methoxy groups, or form -CH=CH-CH=CH- by binding to each other; R³ is an aromatic group or a heterocyclic group which may be substituted; and n is an integer of 2 to 8, shows inhibitory effect of cell proliferation and is useful as cell proliferation inhibitor.

Drugs covered by this patent

Patent Metadata

Patent number
EP0301861A1
Jurisdiction
EP
Classification
Expires
1989-02-01
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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