Last Updated: August 2, 2026

VIOCIN SULFATE Drug Patent Profile

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When do Viocin Sulfate patents expire, and what generic alternatives are available?

Viocin Sulfate is a drug marketed by Pfizer and is included in one NDA.

The generic ingredient in VIOCIN SULFATE is viomycin sulfate. There is one drug master file entry for this compound. Additional details are available on the viomycin sulfate profile page.

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Summary for VIOCIN SULFATE

US Patents:	0
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for VIOCIN SULFATE

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Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Pfizer	VIOCIN SULFATE	viomycin sulfate	INJECTABLE;INJECTION	061086-001	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Pfizer	VIOCIN SULFATE	viomycin sulfate	INJECTABLE;INJECTION	061086-002	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

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