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Details for Patent: 7,727,987

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Patent 7,727,987 protects KUVAN and is included in one NDA. There have been two Paragraph IV challenges on Kuvan.

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

Summary for Patent: 7,727,987

Title:Crystalline forms of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride
Abstract:Crystal forms of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride, hydrates and solvates and processes for their preparation are provided. These crystal forms are either intermediates for the preparation of stable polymorphic form B or are suitable for solid formulations.
Inventor(s): Moser; Rudolf (Schaffhausen, CH), Groehn; Viola (Dachsen, CH), Egger; Thomas (Kempthal, CH), Blatter; Fritz (Reinach, CH)
Assignee: Merck Eprova AG (Schaffhausen, CH)
Application Number:10/990,316
Patent Claim Types:
see list of patent claims
Compound; Composition; Dosage form; Process;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 5th percentile
Forward Citations: 1st percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Biomarin Pharm
KUVAN
sapropterin dihydrochloride
TABLET;ORAL022181-001Dec 13, 2007RXYes7,727,987*PED► subscribeY
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