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Details for Patent: 6,333,045

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Patent 6,333,045 protects ZYMAR and is included in one NDA. There has been one Paragraph IV challenge on Zymar. There is one tentative approval for the compound protected by this patent. Additional details are available via the generic ingredient links below.

Protection for ZYMAR has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has sixteen patent family members in fifteen countries.

Summary for Patent: 6,333,045

Title: Aqueous liquid pharmaceutical composition comprised of gatifloxacin
Abstract:There is provided an aqueous liquid pharmaceutical composition which comprises Gatifloxacin (chemical nomenclature: (.+-.)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-methyl-1-piperazi nyl)-4-oxo-3-quinoline carboxylic acid) or its salt and disodium edetate. Further, there are provided a method for raising corneal permeability of Gatifloxacin, a method for preventing precipitation of Gatifloxacin crystals, and a method for preventing coloration of Gatifloxacin by incorporating disodium edetate into an aqueous liquid preparation containing Gatifloxacin or its salt.
Inventor(s): Yasueda; Shinichi (Kobe, JP), Inada; Katsuhiro (Kobe, JP)
Assignee: Senju Pharmaceutical Co., Ltd. (Osaka, JP) Kyorin Pharmaceutical Co., Ltd. (Tokyo, JP)
Application Number:09/529,882
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Use;
Patent Metrics:
Source: PatentQuant.com
Field: Medical technology
Back Citations: 4th 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
SOLUTION/DROPS;OPHTHALMIC021493-001Mar 28, 2003RXYes6,333,045*PEDFeb 20, 2020Y
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Foreign Priority and PCT Information for Patent: 6,333,045

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan10/235432Aug 21, 1998
PCT Information
PCT FiledAugust 20, 1999PCT Application Number:PCT/JP99/04483
PCT Publication Date:March 02, 2000PCT Publication Number: WO00/10570

International Patent Family for Patent: 6,333,045

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Portugal1025846<disabled in preview>
New Zealand504017<disabled in preview>
Japan5138128<disabled in preview>
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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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