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Last Updated: July 2, 2022

TIAZAC Drug Patent Profile


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

Tiazac is a drug marketed by Bausch and is included in one NDA.

The generic ingredient in TIAZAC is diltiazem hydrochloride. There are twenty-six drug master file entries for this compound. Forty suppliers are listed for this compound. Additional details are available on the diltiazem hydrochloride profile page.

US Patents and Regulatory Information for TIAZAC

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bausch TIAZAC diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 020401-001 Sep 11, 1995 AB4 RX Yes No See Plans and Pricing See Plans and Pricing See Plans and Pricing
Bausch TIAZAC diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 020401-004 Sep 11, 1995 AB4 RX Yes No See Plans and Pricing See Plans and Pricing See Plans and Pricing
Bausch TIAZAC diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 020401-002 Sep 11, 1995 AB4 RX Yes No See Plans and Pricing See Plans and Pricing See Plans and Pricing
Bausch TIAZAC diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 020401-003 Sep 11, 1995 AB4 RX Yes No See Plans and Pricing See Plans and Pricing See Plans and Pricing
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for TIAZAC

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Bausch TIAZAC diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 020401-002 Sep 11, 1995 See Plans and Pricing See Plans and Pricing
Bausch TIAZAC diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 020401-006 Oct 16, 1998 See Plans and Pricing See Plans and Pricing
Bausch TIAZAC diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 020401-003 Sep 11, 1995 See Plans and Pricing See Plans and Pricing
Bausch TIAZAC diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 020401-001 Sep 11, 1995 See Plans and Pricing See Plans and Pricing
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for TIAZAC

See the table below for patents covering TIAZAC around the world.

Country Patent Number Title Estimated Expiration
Canada 2111085 FORMULATION DE DILTIAZEM A LIBERATION LENTE (EXTENDED-RELEASE FORM OF DILTIAZEM) See Plans and Pricing
Australia 2243092 See Plans and Pricing
Japan 2000026278 EXTENDED RELEASING PREPARATION OF DILTIAZEM HYDROCHLORIDE See Plans and Pricing
European Patent Office 0591424 DILTIAZEM SE PRESENTANT SOUS UNE FORME A LIBERATION PROLONGEE (EXTENDED-RELEASE FORM OF DILTIAZEM) See Plans and Pricing
>Country >Patent Number >Title >Estimated Expiration

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Serving leading biopharmaceutical companies globally:

Merck
Harvard Business School
Mallinckrodt
Medtronic
McKesson
AstraZeneca

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