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Generated: September 23, 2019

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Details for Patent: 8,778,390

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Summary for Patent: 8,778,390
Title:Orally effective methylphenidate extended release powder and aqueous suspension product
Abstract: An oral methylphenidate powder which is reconstitutable into a final oral aqueous sustained release formulation containing at least about 50%, or at least about 80% by weight water based on the total weight of the suspension, is provided. The powder is a blend containing a combination of an uncoated methylphenidate-ion exchange resin complex, a barrier coated methylphenidate-ion exchange resin complex-matrix, and a water soluble buffering agent such that upon formed into an aqueous liquid formulation, the formulation has a pH in the range of about 3.5 to about 5, or about 4 to about 4.5. Following administration of a single dose of the oral aqueous methylphenidate suspension, a therapeutically effective amount of methylphenidate is reached in less than one hour and the composition provides a twelve-hour extended release profile.
Inventor(s): Mehta; Ketan (Cranbury, NJ), Tu; Yu-Hsing (West Windsor, NJ), Perumal; Ashok (Edison, NJ)
Assignee: TRIS Pharma, Inc. (Monmouth Junction, NJ)
Application Number:14/016,384
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,778,390
Patent Claim Types:
see list of patent claims
Compound; Dosage form; Formulation; Use; Delivery;

Drugs Protected by US Patent 8,778,390

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 QUILLIVANT XR methylphenidate hydrochloride FOR SUSPENSION, EXTENDED RELEASE;ORAL 202100-001 Sep 27, 2012 RX Yes Yes ➤ Sign Up ➤ Sign Up Y TREATMENT OF A PATIENT BY ADMINISTERING THE FORMULATION RECITED IN CLAIM 1 OR CLAIM 23 ➤ 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

International Family Members for US Patent 8,778,390

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2011359405 ➤ Sign Up
Australia 2017202955 ➤ Sign Up
Brazil 112013020537 ➤ Sign Up
Canada 2825991 ➤ Sign Up
Denmark 2675438 ➤ Sign Up
European Patent Office 2675438 ➤ Sign Up
Israel 227734 ➤ Sign Up
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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