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Details for Patent: 7,341,744

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Patent 7,341,744 protects FULYZAQ and is included in one NDA.

This patent has eighteen patent family members in thirteen countries.

Summary for Patent: 7,341,744

Title:Method of treating secretory diarrhea with enteric formulations of proanthocyanidin polymer
Abstract: Pharmaceutical compositions containing a proanthocyanidin polymer composition which are useful for the treatment and prevention of secretory diarrhea are provided. The invention specifically relates to pharmaceutical formulations of a proanthocyanidin polymer composition which has been isolated from a Croton spp. or a Calophyllum spp. In particular, the invention relates to a formulation of a proanthocyanidin polymer composition which protects the composition from the effects of stomach acid after oral administration, particularly to those formulations which are enteric coated. The invention also relates to methods of producing a directly compressible proanthocyanidin polymer composition, as well as compositions containing the directly compressible proanthocyanidin polymer composition.
Inventor(s): Rozhon; Edward James (El Granada, CA), Khandwala; Atul S. (San Carlos, CA), Sabouni; Akram (Fairport, NY), Balwani; Gul P. (Fremont, CA), Chan; Jody Wai-Han (Mountain View, CA), Sesin; David F. (San Carlos, CA)
Assignee: Napo Pharmaceuticals, Inc. (South San Francisco, CA)
Application Number:09/712,033
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form;
Patent Metrics:
Source: PatentQuant.com
Field: Basic materials chemistry
Back Citations: 6th percentile
Forward Citations: 4th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Napo Pharms Inc
FULYZAQ
crofelemer
TABLET, DELAYED RELEASE;ORAL202292-001Dec 31, 2012RXYes7,341,744► subscribe SYMPTOMATIC RELIEF OF NON-INFECTIOUS DIARRHEA
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Non-Orange Book Patents for Patent: 7,341,744

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
8,574,634Compositions and methods of treatment with proanthocyanidin polymer antidiarrheal compositions► subscribe
7,323,195Enteric formulations of proanthocyanidin polymer antidiarrheal compositions► 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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International Patent Family for Patent: 7,341,744

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Taiwan537898► subscribe
Portugal935417► subscribe
New Zealand335317► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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