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Details for Patent: 6,417,175

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Patent 6,417,175 protects TEFLARO and is included in one NDA. There has been one Paragraph IV challenge on Teflaro.

This patent has nineteen patent family members in fifteen countries.

Summary for Patent: 6,417,175

Title: Phosphonocephem derivatives, process for the preparation of the same, and use thereof
Abstract:A novel cephem compound of the formula: ##STR1## wherein R.sup.1 is a phosphono group or a group convertible to a phosphono group; R.sup.2 is a hydrogen atom or a group having a linkage through a carbon atom; each of Q and X is a nitrogen atom or CH; Y is S, O or CH.sub.2 ; n is 0 or 1; one of R.sup.3 and R.sup.4 is a pyridinium group which may be substituted and the other is a hydrogen atom or hydrocarbon group which may be substituted, or R.sup.3 and R.sup.4 taken together may form a quaternalized nitrogen-containing heterocyclic ring which may be substituted, or its ester or its salt, which has a superior anti-bacterial activity, stability, absorbability, etc., a production thereof and a pharmaceutical composition containing it, is provided.
Inventor(s): Ishikawa; Tomoyasu (Otsu, JP), Hashiguchi; Shohei (Toyonaka, JP), Iizawa; Yuji (Muko, JP)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Application Number:09/555,949
Patent Claim Types:
see list of patent claims
Compound; Use; Composition;
Patent Metrics:
Source: PatentQuant.com
Field: Organic fine chemistry
Back Citations: 9th 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
Cerexa
TEFLARO
ceftaroline fosamil
POWDER;IV (INFUSION)200327-001Oct 29, 2010RXNo6,417,175► subscribeYY METHODS FOR TREATING BACTERIAL INFECTIONS
Cerexa
TEFLARO
ceftaroline fosamil
POWDER;IV (INFUSION)200327-002Oct 29, 2010RXYes6,417,175► subscribeYY METHODS FOR TREATING BACTERIAL INFECTIONS
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Foreign Priority and PCT Information for Patent: 6,417,175

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan9-351499Dec 19, 1997
PCT Information
PCT FiledDecember 17, 1998PCT Application Number:PCT/JP98/05709
PCT Publication Date:July 01, 1999PCT Publication Number: WO99/32497

International Patent Family for Patent: 6,417,175

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria430155► subscribe
Australia1683299► subscribe
Canada2314564► 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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