Last Updated: August 3, 2026

BUTABARB Drug Patent Profile

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

Butabarb is a drug marketed by Alpharma Us Pharms, Bundy, Wockhardt, Sandoz, Solvay, Teva, Watson Labs, and Whiteworth Town Plsn. and is included in seventeen NDAs.

The generic ingredient in BUTABARB is butabarbital sodium. There are nine drug master file entries for this compound. Additional details are available on the butabarbital sodium profile page.

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Summary for BUTABARB

US Patents:	0
Applicants:	8
NDAs:	17

US Patents and Regulatory Information for BUTABARB

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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
Alpharma Us Pharms	BUTABARB	butabarbital sodium	ELIXIR;ORAL	085873-001	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Sandoz	BUTABARBITAL SODIUM	butabarbital sodium	TABLET;ORAL	085934-001	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Sandoz	BUTABARBITAL SODIUM	butabarbital sodium	TABLET;ORAL	084292-003	Feb 9, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Teva	BUTABARBITAL SODIUM	butabarbital sodium	TABLET;ORAL	088632-001	May 18, 1985		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Solvay	BUTABARBITAL SODIUM	butabarbital sodium	TABLET;ORAL	083606-001	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Whiteworth Town Plsn	BUTABARBITAL SODIUM	butabarbital sodium	TABLET;ORAL	083325-002	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Watson Labs	BUTABARBITAL SODIUM	butabarbital sodium	TABLET;ORAL	085764-001	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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