Polyvinylpyrrolidone For The Stabilization Of A Solid Dispersion Of The Non-Crystalline Form Of Rotigotine

Patent No. EP2515887 (titled "Polyvinylpyrrolidone For The Stabilization Of A Solid Dispersion Of The Non-Crystalline Form Of Rotigotine") was filed by LTS Lohmann Therapie Systeme on Dec 22, 2010. The application was issued on Jun 6, 2018.

Patent Summary

Stabilizing rotigotine transdermal patches to prevent crystallization and improve long-term stability by using a specific ratio of rotigotine to polyvinylpyrrolidone (PVP) in the patch matrix. The weight ratio of rotigotine to PVP should be in the range of 9:3.5 to 9:6. This ratio allows PVP to stabilize rotigotine and prevent crystallization without affecting drug release.

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Patent Oppositions (2)

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Dossier Documents

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EP2515887

LTS LOHMANN THERAPIE SYSTEME
Application Number
EP10796399A
Filing Date
Dec 22, 2010
Status
Opposition Rejected
Jan 6, 2023
Publication Date
Jun 6, 2018