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Last Updated: September 25, 2021

DrugPatentWatch Database Preview

Details for Patent: 6,287,599


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Which drugs does patent 6,287,599 protect, and when does it expire?

Patent 6,287,599 protects INTUNIV and is included in one NDA.

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

This patent has ten patent family members in nine countries.

Summary for Patent: 6,287,599
Title: Sustained release pharmaceutical dosage forms with minimized pH dependent dissolution profiles
Abstract:A pharmaceutical composition comprising at least one pharmaceutically active agent that is pH dependent, at least one non-pH dependent sustained release agent, and at least one pH dependent agent that increases the dissolution rate of the at least one pharmaceutically active agent at a pH in excess of 5.5. Such compositions have minimized pH-dependent dissolution profiles or pH-independent dissolution profiles.
Inventor(s): Burnside; Beth A. (Brookeville, MD), Chang; Rong-Kun (Rockville, MD), Guo; Xiaodi (Derwood, MD)
Assignee: Shire Laboratories, Inc. (Rockville, MD)
Application Number:09/741,548
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,287,599
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Formulation;

Drugs Protected by US Patent 6,287,599

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Takeda Pharms Usa INTUNIV guanfacine hydrochloride TABLET, EXTENDED RELEASE;ORAL 022037-001 Sep 2, 2009 AB RX Yes No ⤷  Try it Free ⤷  Try it Free ⤷  Try it Free
Takeda Pharms Usa INTUNIV guanfacine hydrochloride TABLET, EXTENDED RELEASE;ORAL 022037-002 Sep 2, 2009 AB RX Yes No ⤷  Try it Free ⤷  Try it Free ⤷  Try it Free
Takeda Pharms Usa INTUNIV guanfacine hydrochloride TABLET, EXTENDED RELEASE;ORAL 022037-003 Sep 2, 2009 AB RX Yes No ⤷  Try it Free ⤷  Try it Free ⤷  Try it Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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Serving leading biopharmaceutical companies globally:

Express Scripts
Boehringer Ingelheim
Medtronic
Dow
Baxter
Moodys

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