Details for Patent: 8,481,565
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Which drugs does patent 8,481,565 protect, and when does it expire?
Patent 8,481,565 protects ARICEPT and is included in one NDA.
This patent has thirty-six patent family members in fifteen countries.
Summary for Patent: 8,481,565
Title: | Method for stabilizing anti-dementia drug |
Abstract: | The present invention provides a method for stabilizing an anti-dementia drug in a pharmaceutical composition containing the anti-dementia drug and a high molecular weight basic substance by adding a high molecular weight acidic substance to said pharmaceutical composition. Further, the present invention provides a pharmaceutical composition containing an anti-dementia drug and a high molecular basic substance in which a high molecular weight acidic substance is contained for stabilizing the anti-dementia drug. Furthermore, the present invention provides a method for manufacturing a pharmaceutical composition which comprises steps wherein a solution or suspension containing a high molecular weight acidic substance is added to a mixture of an anti-dementia drug and a high molecular weight basic substance for the sake of stabilizing the anti-dementia drug. |
Inventor(s): | Ueki; Yosuke (Kakamigahara, JP), Suzuki; Yasuyuki (Kakamigahara, JP), Fujioka; Satoshi (Kakamigahara, JP) |
Assignee: | Eisai R&D Management Co., Ltd. (Tokyo, JP) |
Application Number: | 11/793,722 |
Patent Claim Types: see list of patent claims | Composition; |
Drugs Protected by US Patent 8,481,565
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use | Submissiondate |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Eisai Inc | ARICEPT | donepezil hydrochloride | TABLET;ORAL | 022568-001 | Jul 23, 2010 | AB | RX | Yes | Yes | ⤷ Try a Trial | ⤷ Try a Trial | Y | ⤷ Try a Trial | |||
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Patented / Exclusive Use | >Submissiondate |
Foreign Priority and PCT Information for Patent: 8,481,565
Foriegn Application Priority Data | ||
Foreign Country | Foreign Patent Number | Foreign Patent Date |
Japan | 2004-376770 | Dec 27, 2004 |
Japan | 2005-041492 | Feb 18, 2005 |
PCT Information | |||
PCT Filed | December 27, 2005 | PCT Application Number: | PCT/JP2005/024254 |
PCT Publication Date: | July 06, 2006 | PCT Publication Number: | WO2006/070930 |
International Family Members for US Patent 8,481,565
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
---|---|---|---|---|---|
Australia | 2005320547 | ⤷ Try a Trial | |||
Australia | 2005320609 | ⤷ Try a Trial | |||
Brazil | PI0518396 | ⤷ Try a Trial | |||
Brazil | PI0519407 | ⤷ Try a Trial | |||
Canada | 2592102 | ⤷ Try a Trial | |||
Canada | 2592605 | ⤷ Try a Trial | |||
China | 101090737 | ⤷ Try a Trial | |||
>Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |