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Serving hundreds of leading biopharmaceutical companies globally:

Cerilliant
Merck
Dow
Julphar
McKesson
Johnson and Johnson
Accenture
Argus Health
US Department of Justice

Generated: May 24, 2018

DrugPatentWatch Database Preview

Details for Patent: 8,133,883

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Summary for Patent: 8,133,883
Title:Compositions containing piperacillin and tazobactam useful for injection
Abstract: An aminocarboxylic acid chelating agent, preferably EDTA, or a salt thereof has been found to be useful for inhibiting particulate formation in piperacillin/tazobactam parenteral combinations. The composition may also contain a buffer, preferably citrate, and optionally an aminoglycoside. The product may be in the form of a frozen composition that can be thawed for use. The product may also be in the form of a cryodesiccated powder that can be reconstituted by addition of an aqueous vehicle to reform a solution.
Inventor(s): Cohen; Jonathan M. (Monroe, NY), Shah; Syed M (East Hanover, NJ), Ofslager; Christian L. (Newburgh, NY), Fawzi; Mahdi B. (Morristown, NJ)
Assignee: Pfizer Inc. (New York, NY)
Application Number:13/033,861
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form; Formulation;

Drugs Protected by US Patent 8,133,883

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Wyeth Pharms Inc ZOSYN piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050684-001 Oct 22, 1993 AP RX Yes Yes ➤ Sign Up ➤ Sign Up Y METHOD OF TREATING BACTERIAL INFECTIONS ➤ Sign Up
Wyeth Pharms Inc ZOSYN piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050684-002 Oct 22, 1993 AP RX Yes Yes ➤ Sign Up ➤ Sign Up Y METHOD OF TREATING BACTERIAL INFECTIONS ➤ Sign Up
Wyeth Pharms Inc ZOSYN piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050684-003 Oct 22, 1993 AP RX Yes Yes ➤ Sign Up ➤ Sign Up Y METHOD OF TREATING BACTERIAL INFECTIONS ➤ Sign Up
Wyeth Pharms Inc ZOSYN piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050684-004 Oct 22, 1993 AP RX Yes Yes ➤ Sign Up ➤ Sign Up Y METHOD OF TREATING BACTERIAL INFECTIONS ➤ Sign Up
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Non-Orange Book US Patents Family Members for Patent 8,133,883

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
7,498,312 Compositions containing piperacillin and tazobactam useful for injection ➤ Sign Up
7,915,229 Compositions containing piperacillin and tazobactam useful for injection ➤ Sign Up
Patent No. Title Estimated Patent Expiration

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International Family Members for US Patent 8,133,883

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Saudi Arabia 1990 ➤ Sign Up
Russian Federation 2007142454 ➤ Sign Up
Russian Federation 2322980 ➤ Sign Up
Russian Federation 2005135135 ➤ Sign Up
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Covington
Argus Health
Express Scripts
Cantor Fitzgerald
Teva
Fuji
Dow
US Army
Julphar

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