Last Updated: November 8, 2026

Details for Patent: 4,175,128

Name: Drug Patent Intelligence for US Patent 4175128
Creator: DrugPatentWatch
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Summary for Patent: 4,175,128

Title:	Method for treating congestive heart failure
Abstract:	A method for the treatment of congestive heart failure in humans using pirbuterol or pharmaceutically acceptable acid addition salts thereof.
Inventor(s):	Colin R. Taylor
Assignee:	Pfizer Corp SRL
Application Number:	US06/000,986
Patent Claim Types: see list of patent claims	Use; Delivery; Dosage form;

Drugs Protected by US Patent 4,175,128

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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 4,175,128

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Belgium	880981	⤷ Start Trial
Germany	2952590	⤷ Start Trial
Italy	1193879	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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