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Generated: May 25, 2017

DrugPatentWatch Database Preview

Details for Patent: 7,300,674

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Which drugs does patent 7,300,674 protect, and when does it expire?

Patent 7,300,674 protects NORMOCARB HF 25 and is included in one NDA.

This patent has four patent family members in four countries.

This patent has expired prematurely due to non-payment of maintenance fees. See details below.

Summary for Patent: 7,300,674

Title:Sterile low bicarbonate dialysis concentrate solutions
Abstract:The present invention relates to a sterile calcium-free low bicarbonate dialysis concentrate composition for use in conjunction with regional citrate anti-coagulation in the context of either dialysis or hemofiltration. Methods of use of the sterile calcium free low bicarbonate dialysis concentrate compositions are also disclosed. The low bicarbonate concentrate takes into account the fact that citrate is hepatically metabolized into bicarbonate, thus minimizing metabolic complications.
Inventor(s): Tobe; Sheldon (Toronto, Ontario, CA)
Application Number:10/020,882
Patent Claim Types:
see list of patent claims
Composition; Formulation; Device; Use;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Dialysis Sups
magnesium chloride; sodium bicarbonate; sodium chloride
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International Patent Family for Patent: 7,300,674

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia2620902► Subscribe
Canada2365787► Subscribe
European Patent Office1347795► Subscribe
World Intellectual Property Organization (WIPO)0249693► 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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