GB Patent

GB8811873D0 — Therapeutic agents

Assigned to Pfizer Inc · Expires 1988-06-22 · 38y expired

What this patent protects

S Enantiomeric diuretic agent of the formula: <CHEM> wherein each R and R<4> is H or one of R and R<4> is H and the other is a biolabile ester group, a process for their preparation and intermediates therefor.

USPTO Abstract

S Enantiomeric diuretic agent of the formula: <CHEM> wherein each R and R<4> is H or one of R and R<4> is H and the other is a biolabile ester group, a process for their preparation and intermediates therefor.

Drugs covered by this patent

Patent Metadata

Patent number: GB8811873D0
Jurisdiction: GB
Classification: —
Expires: 1988-06-22
Drug substance claim: No
Drug product claim: No
Assignee: Pfizer Inc
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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