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Last Updated: October 16, 2019

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Details for Patent: 8,202,537

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Summary for Patent: 8,202,537
Title:Modified release formulations containing drug-ion exchange resin complexes
Abstract: A solid dose composition containing a mixture of a cured, modified release-barrier coated methylphenidate-ion exchange resin complex-matrix and an uncoated methylphenidate-ion exchange resin complex is described. The barrier coated methylphenidate-ion exchange resin complex-matrix comprises methylphenidate complexed with a pharmaceutically acceptable ion-exchange resin to form the complex which is admixed with a polymer to form a methylphenidate-ion exchange resin complex-matrix, which is subsequently coated with a modified release coating. The modified coating contains polyvinyl acetate polymer and a plasticizer and is cured.
Inventor(s): Mehta; Ketan (Cranbury, NJ), Tu; Yu-Hsing (West Windsor, NJ)
Assignee: Tris Pharma Inc (Monmouth Junction, NJ)
Application Number:13/244,748
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form;

Drugs Protected by US Patent 8,202,537

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Nextwave Pharms QUILLICHEW ER methylphenidate hydrochloride TABLET, EXTENDED RELEASE, CHEWABLE;ORAL 207960-001 Dec 4, 2015 RX Yes No   Request a Trial   Request a Trial Y   Request a Trial
Nextwave Pharms QUILLICHEW ER methylphenidate hydrochloride TABLET, EXTENDED RELEASE, CHEWABLE;ORAL 207960-002 Dec 4, 2015 RX Yes No   Request a Trial   Request a Trial Y   Request a Trial
Nextwave Pharms QUILLICHEW ER methylphenidate hydrochloride TABLET, EXTENDED RELEASE, CHEWABLE;ORAL 207960-003 Dec 4, 2015 RX Yes Yes   Request a Trial   Request a Trial Y   Request a 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

International Family Members for US Patent 8,202,537

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 536867   Request a Trial
Australia 2007227569   Request a Trial
Brazil PI0709606   Request a Trial
Canada 2645855   Request a Trial
China 101400343   Request a Trial
China 102488652   Request a Trial
Denmark 2018160   Request a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Merck
Medtronic
Moodys
Boehringer Ingelheim
Harvard Business School
Johnson and Johnson

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