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Serving leading biopharmaceutical companies globally:

Harvard Business School
US Department of Justice
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Fish and Richardson

Generated: December 17, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,444,779

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Summary for Patent: 4,444,779

Title: Thiazolidine derivatives
Abstract:Thiazolidine derivatives of the general formula: ##STR1## [wherein R.sup.1 is alkyl, cycloalkyl, phenylalkyl, phenyl, a five- or six-membered heterocyclic group including one or two hetero-atoms selected from the group consisting of nitrogen, oxygen and sulfur or a group of the formula ##STR2## (where R.sup.3 and R.sup.4 are the same or different and each is lower alkyl or R.sup.3 and R.sup.4 are combined to each other either directly or as interrupted by a hetero-atom selected from the group consisting of nitrogen, oxygen and sulfur to form a five- or six-membered ring); R.sup.2 means a bond or a lower alkylene group; L.sup.1 and L.sup.2 are the same or different and each is lower alkyl or L.sup.1 and L.sup.2 are combined to form an alkylene group, provided that when R.sup.1 is other than alkyl, L.sup.1 and L.sup.2 may further be hydrogen, respectively] are novel compounds and useful as, for example, remedies for diabetes, hyperlipemia and so on of mammals including human beings.
Inventor(s): Kawamatsu; Yutaka (Kyoto, JP), Fujita; Takeshi (Takarazuka, JP)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Application Number:06/476,017
Patent Claim Types:
see list of patent claims
Compound; Composition;

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Foreign Priority and PCT Information for Patent: 4,444,779

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan53-95673Aug 4, 1978

International Patent Family for Patent: 4,444,779

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada1131644► Subscribe
Germany2963585► Subscribe
Denmark149023► Subscribe
Denmark325079► Subscribe
European Patent Office0008203► Subscribe
Spain483077► Subscribe
Spain8102107► Subscribe
JapanS5522636► Subscribe
JapanS6242903► 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:

Fish and Richardson
Farmers Insurance
US Department of Justice
Johnson and Johnson
Daiichi Sankyo
US Army

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