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Details for Patent: 5,958,915

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Patent 5,958,915 protects SPECTRACEF and is included in one NDA.

This patent has seventeen patent family members in fifteen countries.

Summary for Patent: 5,958,915

Title: Antibacterial composition for oral administration
Abstract:A new, antibacterial composition for use in oral administration is now provided, which composition comprises a mixture of Cefditoren pivoxyl with a water soluble casein salt. This composition has a reduced bitter taste of Cefditoren pivoxyl and also has improved properties regarding the rate and concentration of dissolution of Cefditoren pivoxyl in water and a ratio of dissolution out of Cefditoren pivoxyl into water. This composition further can attain a high absorbability of the Cefditoren component at the digestive tubes upon oral administration thereof. In this composition, the ratio (by weight) of Cefditoren pivoxyl to the casein salt added may preferably be in a range of 1:0.1 to 1:4. By further addition of a water-soluble polyphosphoric acid salt to the composition, the composition can prevent a ratio of dissolution out into water of the Cefditoren pivoxyl component being decreased when the composition was stored under severe conditions.
Inventor(s): Abe; Kenichi (Yokohama, JP), Ota; Masato (Yokohama, JP), Yamaguchi; Hiroyuki (Yokohama, JP), Murakami; Chikako (Kawasaki, JP), Kikkoji; Toshihiro (Yokohama, JP)
Assignee: Meiji Seika Kaisha, Ltd. (JP)
Application Number:09/051,318
Patent Claim Types:
see list of patent claims
Composition; Formulation; Dosage form; Use;
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 1st percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Vansen Pharma
SPECTRACEF
cefditoren pivoxil
TABLET;ORAL021222-001Aug 29, 2001DISCNNo5,958,915► subscribe
Vansen Pharma
SPECTRACEF
cefditoren pivoxil
TABLET;ORAL021222-002Jul 21, 2008DISCNNo5,958,915► subscribeY
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Foreign Priority and PCT Information for Patent: 5,958,915

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan7-265847Oct 13, 1995
PCT Information
PCT FiledOctober 14, 1996PCT Application Number:PCT/JP96/02967
PCT Publication Date:April 17, 1997PCT Publication Number: WO97/13516

International Patent Family for Patent: 5,958,915

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina004014► subscribe
Austria214930► subscribe
Brazil9610836► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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