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Serving leading biopharmaceutical companies globally:

US Department of Justice
Fish and Richardson
Farmers Insurance
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Generated: November 24, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,628,098

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Summary for Patent: 4,628,098

Title: 2-[2-pyridylmethylthio-(sulfinyl)]benzimidazoles
Abstract:The compound of the formula ##STR1## wherein R.sup.1 is hydrogen, methoxy or trifluoromethyl, R.sup.2 and R.sup.3 are independently hydrogen or methyl, R.sup.4 is a C.sub.2-5 fluorinated alkyl and n denotes 0 or 1, or a pharmacologically acceptable salt thereof is novel, and useful for prophylaxis and therapy of digestive ulcers (e.g. gastric ulcer, duodenal ulcer) and gastritis.
Inventor(s): Nohara; Akira (Kyoto, JP), Maki; Yoshitaka (Kyoto, JP)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Application Number:06/760,568
Patent Claim Types:
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Foreign Priority and PCT Information for Patent: 4,628,098

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan59-171069Aug 16, 1984

International Patent Family for Patent: 4,628,098

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria42554► Subscribe
Australia4589585► Subscribe
Australia570130► Subscribe
Bulgaria60415► Subscribe
Canada1255314► Subscribe
Germany19975017► Subscribe
Germany19975020► Subscribe
Germany3569736► Subscribe
Denmark171340► Subscribe
Denmark356485► 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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Serving leading biopharmaceutical companies globally:

Argus Health
US Department of Justice
Daiichi Sankyo

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