CA Patent

CA2143143A1 — 3-phenylpyrrolidine derivatives

Assigned to Mitsubishi Chemical Corp · Expires 1995-09-09 · 31y expired

What this patent protects

3-phenylpyrrolidine derivatives of the present invention effectively inhibit phosphodiesterase (PDE) IV activities so that they can be used as medicaments for, such as, the asthma.

USPTO Abstract

3-phenylpyrrolidine derivatives of the present invention effectively inhibit phosphodiesterase (PDE) IV activities so that they can be used as medicaments for, such as, the asthma.

Drugs covered by this patent

Patent Metadata

Patent number
CA2143143A1
Jurisdiction
CA
Classification
—
Expires
1995-09-09
Drug substance claim
No
Drug product claim
No
Assignee
Mitsubishi Chemical Corp
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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