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Details for Patent: 5,284,858

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Summary for Patent: 5,284,858

Title: Prostaglandins E and anti ulcers containing same
Abstract:The novel 13, 14-dihydro-15-keto prostaglandins E of the invention have remarkable preventive effects against ulcers. Further, the novel 13,14-dihydro-15-ketoprostaglandins E of the invention have an advatage that they have none of side effects which prostaglandin E intrinsically has, or can remarakably reduce such effects of the prostaglandin E. Therefore, the novel 13, 14-dihydro-15-keto prostaglandins E of the invention are effective for animal and human use for treatment and prevention of ulcers, such as duodenal ulcer and gastric ulcer.
Inventor(s): Ueno; Ryuzo (Nishinomiya, JP), Ueno; Ryuji (Kyoto, JP), Kato; Ichie (Kawanishi, JP), Oda; Tomio (Itami, JP)
Assignee: Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo (Osaka, JP)
Application Number:07/925,220
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;
Patent PDF download available with subscription

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Foreign Priority and PCT Information for Patent: 5,284,858

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan62-18820Jan 28, 1987
Japan62-65352Mar 18, 1987

International Patent Family for Patent: 5,284,858

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria79610<disabled in preview>
Canada1323364<disabled in preview>
Germany3873797<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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