Last Updated: August 2, 2026

viomycin sulfate - Profile

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What are the generic sources for viomycin sulfate and what is the scope of patent protection?

Viomycin sulfate is the generic ingredient in one branded drug marketed by Pfizer and is included in one NDA. Additional information is available in the individual branded drug profile pages.

Summary for viomycin sulfate

US Patents:	0
Tradenames:	1
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for viomycin 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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