Last Updated: September 25, 2026

Details for Patent: 4,384,123

Name: Drug Patent Intelligence for US Patent 4384123
Creator: DrugPatentWatch
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Summary for Patent: 4,384,123

Title:	Phosphinylalkanoyl substituted prolines
Abstract:	Esters of phosphinylalkanoyl prolines and phosphinylalkanoyl substituted prolines are inhibitors of angiotensin converting enzyme and are useful in the treatment of hypertension.
Inventor(s):	Edward W. Petrillo, Jr.
Assignee:	ER Squibb and Sons LLC
Application Number:	US06/326,082
Patent Claim Types: see list of patent claims	Compound;

Drugs Protected by US Patent 4,384,123

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 4,384,123

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0053902	⤷ Start Trial	SPC/GB93/028	United Kingdom	⤷ Start Trial
European Patent Office	0053902	⤷ Start Trial	SPC/GB96/024	United Kingdom	⤷ Start Trial
European Patent Office	0053902	⤷ Start Trial	96C0036	Belgium	⤷ Start Trial
Austria	12502	⤷ Start Trial
Australia	549302	⤷ Start Trial
Australia	7786081	⤷ Start Trial
Canada	1169073	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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