Pharmaceutical composition containing donepezil hydrochloride, tablets produced therefrom and methods for producing the same

US8992976B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8992976-B2
Application numberUS-9759606-A
CountryUS
Kind codeB2
Filing dateDec 15, 2006
Priority dateDec 16, 2005
Publication dateMar 31, 2015
Grant dateMar 31, 2015

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  2. Abstract

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Abstract

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A pharmaceutical composition is provided according to the invention which is suited for the production of tablets by direct compression and which contains donepezil hydrochloride of polymorphic form I. The polymorphic form I of donepezil hydrochloride in the directly compressed tablet is also stable during long storage.

First claim

Opening claim text (preview).

The invention claimed is: 1. A pharmaceutical composition, suited for the production of comprimates by direct compression, said composition containing 2 to 10% by weight donepezil hydrochloride of polymorphic form I characterized by Raman peaks at 67 cm −1 , 631 cm −1 , 654 cm −1 , 755 cm −1 , 831 cm −1 , 1048 cm −1 , 1281 cm −1 , 1306 cm −1 , 1435 cm −1 , 1684 cm −1 , 2839 cm −1 , 2857 cm −1 , 2984 cm −1 , 3005 cm −1 , and 3067 cm −1 , wherein said composition further contains a f…

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What does patent US8992976B2 cover?
A pharmaceutical composition is provided according to the invention which is suited for the production of tablets by direct compression and which contains donepezil hydrochloride of polymorphic form I. The polymorphic form I of donepezil hydrochloride in the directly compressed tablet is also stable during long storage.
Who is the assignee on this patent?
Schulze Nahrup Julia, Muskulus Frank, Kraass Peter, and 1 more
What technology area does this patent fall under?
Primary CPC classification A61K9/2018. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Mar 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).