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Details for Patent: 8,871,273

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Patent 8,871,273 protects DEXILANT and DEXILANT SOLUTAB and is included in two NDAs. There have been two Paragraph IV challenges on Dexilant. There is one tentative approval for the compound protected by this patent. Additional details are available via the generic ingredient links below.

Protection for DEXILANT SOLUTAB has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has nine patent family members in five countries.

Summary for Patent: 8,871,273

Title:Method for producing granules
Abstract: In a production process of granules containing a biologically active substance, variation in the elution profile of the biologically active substance is reduced by heating the temperature of granules to about 50.degree. C. or higher and maintaining the temperature for about 1 minute or longer. By setting the spray speed to about 90 mg/min or more per 1 g of cores when a spray agent for a primary agent containing the biologically active substance is sprayed while spraying a binding liquid to the cores and setting the total feeding weight per unit area for a centrifugal fluidized bed coating granulation machine to about 1.5 g/cm.sup.2 or more, the variation in the elution profile of the biologically active substance from the granules is reduced.
Inventor(s): Nagahara; Naoki (Osaka, JP), Asakawa; Naoki (Hikari, JP), Nonomura; Muneo (Osaka, JP)
Assignee: Takeda Pharmaceutical Company Limited (Osaka, JP)
Application Number:11/884,498
Patent Claim Types:
see list of patent claims
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 0th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Takeda Pharms Usa
DEXILANT
dexlansoprazole
CAPSULE, DELAYED RELEASE;ORAL022287-001Jan 30, 2009RXNo8,871,273► subscribeY
Takeda Pharms Usa
DEXILANT
dexlansoprazole
CAPSULE, DELAYED RELEASE;ORAL022287-002Jan 30, 2009RXYes8,871,273► subscribeY
Takeda Pharms Usa
DEXILANT SOLUTAB
dexlansoprazole
TABLET, ORALLY DISINTEGRATING, DELAYED RELEASE;ORAL208056-001Jan 26, 2016RXYes8,871,273*PED► subscribeY
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Foreign Priority and PCT Information for Patent: 8,871,273

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan2005-051732Feb 25, 2005
PCT Information
PCT FiledFebruary 24, 2006PCT Application Number:PCT/JP2006/303455
PCT Publication Date:August 31, 2006PCT Publication Number: WO2006/090845

Non-Orange Book Patents for Patent: 8,871,273

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
9,011,926Method for producing granules► 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: 8,871,273

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Japan5378465► subscribe
Japan2011235172► subscribe
Japan5124267► 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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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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