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Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
Harvard Business School
Boehringer Ingelheim

Generated: November 22, 2017

DrugPatentWatch Database Preview

Details for Patent: RE34878

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Summary for Patent: RE34878

Title: Hypoglycemic agent
Abstract:A compound of D-phenylalanine derivative for hypoglycemic use, represented by the general formula ##STR1## R.sup.1 is selected from hydrogen, alkyl of 1 to 5 carbon atoms, aryl of 6 to 12 carbon atoms, aralkyl of 6 to 12 carbon atoms, ##STR2## --CH.sub.2 CO.sub.2 R.sup.3, --CH(CH.sub.3)--OCO--R.sup.3, and --CH.sub.2 --OCO--C(CH.sub.3).sub.3 ; R.sup.2 is selected from groups comprising aryl of 6 to 12 carbon atoms, a hetero six-membered ring, a hetero five-membered ring, cycloalkyl, or cycloalkenyl, any of which groups may have one or more substituents; and R.sup.3 is selected from hydrogen and alkyl of 1 to 5 carbon atoms; the salts thereof, and precursors which can be converted thereto in the human or animal body. Some of the compounds are novel per se.
Inventor(s): Toyoshima; Shigeshi (Funabashi, JP), Seto; Yoshiko (Funabashi, JP), Shinkai; Hisashi (Kawasaka, JP), Toi; Koji (Kanagawa, JP), Kamashiro; Izumi (Yokohama, JP)
Assignee: Ajinomoto Co., Inc. (Tokyo, JP)
Application Number:08/157,564
Patent Claim Types:
see list of patent claims
Compound; Composition;

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Foreign Priority and PCT Information for Patent: RE34878

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan60-62276Mar 27, 1985

International Patent Family for Patent: RE34878

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office0196222► SubscribeSPC/GB01/045United Kingdom► Subscribe
Germany10199054► Subscribe
Germany3683662► Subscribe
JapanS6354321► Subscribe
JapanH0415221► 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:

Daiichi Sankyo
Boehringer Ingelheim
Johnson and Johnson
US Department of Justice

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