Get our Free Patent Expiration, Litigation, and Drug Price Updates

Serving hundreds of leading biopharmaceutical companies globally:

Boehringer Ingelheim
Covington
Chubb
Citi
Moodys
AstraZeneca

Generated: May 26, 2019

DrugPatentWatch Database Preview

Details for Patent: 7,612,199

« Back to Dashboard

Which drugs does patent 7,612,199 protect, and when does it expire?

Patent 7,612,199 protects XIFAXAN and is included in two NDAs.

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

Summary for Patent: 7,612,199
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; Guiseppe Glaudio (Bologna, IT), Campana; Manuela (Bologna, IT), Braga; Dario (Bologna, IT), Confortini; Donatella (Bologna, IT), Cannata; Vicenzo (Bologna, IT), Righi; Paolo (Bologna, IT), Rosini; Goffredo (Bologna, IT)
Assignee: Alfa Wassermann, S.p.A. (Bologna, IT)
Application Number:12/478,638
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,612,199
Prior Art and Litigation SupportOrder Prior Art and Litigation support for Patent 7,612,199
Patent Claim Types:
see list of patent claims
Compound;

Drugs Protected by US Patent 7,612,199

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 ➤ Sign Up ➤ Sign Up Y Y ➤ Sign Up
Salix Pharms XIFAXAN rifaximin TABLET;ORAL 022554-001 Mar 24, 2010 RX Yes Yes ➤ Sign Up ➤ Sign Up Y Y ➤ 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 Submissiondate

Subscribe to access the full database, or try a Free Trial

Make Better Decisions: Try a trial or see plans & pricing

Serving hundreds of leading biopharmaceutical companies globally:

Citi
McKinsey
Colorcon
Covington
Express Scripts
US Army

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.