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Generated: April 28, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,026,560

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Summary for Patent: 5,026,560

Title: Spherical granules having core and their production
Abstract:The spherical granules having a core coated with spraying powder containing a drug and low substituted hydroxypropylcellulose, because of their excellent hardness, can be coated further evenly, (e.g. sustained release coating, gastric coating, enteric coating), and at the time the granules are excellent in disintegration.
Inventor(s): Makino; Tadashi (Osaka, JP), Tabata; Tetsuro (Osaka, JP), Hirai; Shin-ichiro (Kyoto, JP)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Application Number:07/143,957
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Use;

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Foreign Priority and PCT Information for Patent: 5,026,560

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan62-19178Jan 29, 1987

International Patent Family for Patent: 5,026,560

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Germany3855852► Subscribe
Austria150963► Subscribe
Canada1312548► Subscribe
Germany3874360► Subscribe
European Patent Office0277741► 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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