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Serving leading biopharmaceutical companies globally:

Federal Trade Commission
Harvard Business School
Express Scripts
US Army
Boehringer Ingelheim
Cantor Fitzgerald

Generated: December 15, 2017

DrugPatentWatch Database Preview

Details for Patent: 6,576,665

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Which drugs does patent 6,576,665 protect, and when does it expire?

Patent 6,576,665 protects PHOSLO and PHOSLO GELCAPS and is included in one NDA. There has been one Paragraph IV challenge on PhosLo.

Summary for Patent: 6,576,665

Title: Encapsulated calcium acetate caplet and a method for inhibiting gastrointestinal phosphorous absorption
Abstract:A composition for inhibiting gastrointestinal absorption of phosphorous in an individual. The composition includes a quantity of calcium acetate sufficient to bind the phosphorous in the gastrointestinal tract of the individual. The calcium acetate has a bulk density of between 0.50 kg/L and 0.80 kg/L and is dimensioned to form a caplet for fitting within a capsule in a manner that optimizes the volume of the capsule. Also provided is a method for administering the calcium acetate composition of the present invention to an individual to reduce phosphorous absorption by binding with the phosphorous in their gastrointestinal tract.
Inventor(s): Dennett, Jr.; Edmund V. (Milton, MA), Raleigh, Jr.; Robert M. (Pembroke, MA), Aronson; Bruce H. (Sharon, MA)
Assignee: Braintree Laboratories, Inc. (Braintree, MA)
Application Number:09/824,949
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Device; Use;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Patent Submitted Product Substance Delist Req. Patented / Exclusive Use
Fresenius MedclPHOSLOcalcium acetateCAPSULE;ORAL021160-002Apr 2, 2001DISCNNoNo► Subscribe► Subscribe► Subscribe
Fresenius MedclPHOSLO GELCAPScalcium acetateCAPSULE;ORAL021160-003Apr 2, 2001ABRXYesYes► Subscribe► Subscribe► Subscribe
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Non-Orange Book Patents for Patent: 6,576,665

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
6,875,445 Encapsulated calcium acetate caplet and a method for inhibiting gastrointestinal phosphorous absorption► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Express Scripts
Chinese Patent Office
Cantor Fitzgerald
Johnson and Johnson
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.

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