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Generated: September 18, 2019

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Details for Patent: 7,902,206

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Which drugs does patent 7,902,206 protect, and when does it expire?

Patent 7,902,206 protects XIFAXAN and is included in two NDAs.

This patent has ninety-one patent family members in thirty-six countries.

Summary for Patent: 7,902,206
Title:Polymorphic forms .alpha., .beta. and .gamma. of rifaximin
Abstract:Crystalline polymorphous forms of rifaximin (INN) antibiotic named rifaximin .alpha. and rifaximin .beta., and a poorly crystalline form named rifaximin .gamma., useful in the production of medicinal preparations containing rifaximin for oral and topical use and obtained by means of a crystallization carried out by hot-dissolving the raw rifaximin in ethyl alcohol and by causing the crystallization of the product by addition of water at a determinate temperature and for a determinate period of time, followed by a drying carried out under controlled conditions until reaching a settled water content in the end product, are the object of the invention.
Inventor(s): Viscomi; Giuseppe Claudio (Bologna, IT), Campana; Manuela (Bologna, IT), Braga; Dario (Bologna, IT), Confortini; Donatella (Bologna, IT), Cannata; Vincenzo (Bologna, IT), Righi; Paolo (Bologna, IT), Rosini; Goffredo (Bologna, IT)
Assignee: Alfa Wassermann, S.p.A. (Bologna, IT)
Application Number:12/119,600
Patent Claim Types:
see list of patent claims
Process; Composition; Dosage form;

Drugs Protected by US Patent 7,902,206

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Salix Pharms XIFAXAN rifaximin TABLET;ORAL 021361-001 May 25, 2004 RX Yes Yes   Try a Free Trial   Try a Free Trial Y Y   Try a Free Trial
Salix Pharms XIFAXAN rifaximin TABLET;ORAL 022554-001 Mar 24, 2010 RX Yes Yes   Try a Free Trial   Try a Free Trial Y Y   Try a Free Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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Foreign Priority and PCT Information for Patent: 7,902,206

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
ItalyM12003A002144Nov 07, 2003

International Family Members for US Patent 7,902,206

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 043547   Try a Free Trial
Argentina 081991   Try a Free Trial
Argentina 081992   Try a Free Trial
Austria 361927   Try a Free Trial
Austria 421965   Try a Free Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

QuintilesIMS
Deloitte
AstraZeneca
Teva
Mallinckrodt
Daiichi Sankyo

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.